{"product_id":"🖊️-100-monochrome-mysteries-one-pen-color-by-number-activity-book-with-hidden-picture-reveals-✨-1","title":"🖊️ 100 Monochrome Mysteries – One-Pen Color-by-Number Activity Book with Hidden Picture Reveals ✨","description":"\u003cdiv id=\"monochrome-book-details\" style=\"max-width: 800px; margin: 0px auto; font-family: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.75; color: rgb(48, 44, 38);\"\u003e\n\u003cdiv style=\"text-align: center; padding: 28px 20px; background: rgb(245, 238, 226);\"\u003e\n\u003cp style=\"margin: 0px 0px 10px; font-size: 12px; font-weight: bold; letter-spacing: 2px; color: rgb(138, 103, 37);\"\u003e\u003cstrong\u003eSIMPLE MARKS. SATISFYING DISCOVERIES.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 style=\"margin: 0px 0px 14px; font-size: 31px; line-height: 1.2; color: rgb(36, 34, 31);\"\u003e🖊️ A Hidden Picture Is Waiting\u003cbr\u003eBehind Every Number\u003c\/h2\u003e\n\u003cp style=\"max-width: 610px; margin: 0px auto 18px;\"\u003ePick up a black pen and turn a numbered grid into a detailed monochrome picture. With six simple marks to follow, every little square brings you closer to the reveal.\u003c\/p\u003e\n\u003cp style=\"margin: 0px; font-size: 15px; font-weight: bold; color: rgb(128, 94, 32);\"\u003e\u003cstrong\u003e✨ 100 Monochrome Mysteries   🔢 Six-Mark System   🖤 One Ink Color\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/storage2.tianyierp.com\/public\/product-management\/2026-11-09\/98198371134603265.png\" alt=\"Choose your monochrome cover style-10.png\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"padding: 0px 18px;\"\u003e\n\u003ch2 style=\"margin: 0px 0px 12px; font-size: 25px; line-height: 1.3; color: rgb(41, 38, 33);\"\u003e🔢 Follow a Simple Guide to an Unexpected Result\u003c\/h2\u003e\n\u003cp style=\"margin: 0px 0px 12px;\"\u003eEach printed number tells you which mark belongs in that square. Draw the mark, move to the next cell, and let the pattern gradually take shape.\u003c\/p\u003e\n\u003cul style=\"margin: 0px 0px 20px; padding-left: 22px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cp\u003e🖊️ Use one black pen throughout the activity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cp\u003e📖 Refer to the printed legend whenever you need it.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cp\u003e✨ Build a picture without drawing it freehand.\u003cimg src=\"https:\/\/storage2.tianyierp.com\/public\/product-management\/2026-11-09\/98198407742488577.png\" alt=\"Finished owl mosaic coloring page-6.png\"\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 0px 18px;\"\u003e\n\u003ch2 style=\"margin: 0px 0px 12px; font-size: 25px; line-height: 1.3; color: rgb(41, 38, 33);\"\u003e✍️ Get Comfortable Before You Begin\u003c\/h2\u003e\n\u003cp style=\"margin: 0px 0px 12px;\"\u003eThe practice and pen-test sections give you space to try the marks and find a pen that feels right for the small grids.\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 16px;\"\u003e🤍 Start with a few strokes, get familiar with the code, and approach your first mystery at your own pace.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 15px; margin: 0px 0px 20px;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"min-width: 120px;\"\u003e \u003ccol style=\"min-width: 120px;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: rgb(245, 238, 226);\"\u003e\n\u003cth scope=\"col\" style=\"width: 28%; padding: 10px 12px;\"\u003e\n\u003cp\u003eCode\u003c\/p\u003e\n\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"padding: 10px 12px;\"\u003e\n\u003cp\u003eMark\u003c\/p\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003e0\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eDot ·\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003e1\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eForward slash \/\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003e2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eBackslash \\\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003e3\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eCross X\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003e4\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eAsterisk — follow the illustrated guide\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003e5\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 12px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eFilled black square ■\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/storage2.tianyierp.com\/public\/product-management\/2026-11-09\/98198391049158657.png\" alt=\"Hands wrapping a monochrome mystery book-8.png\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"padding: 0px 18px;\"\u003e\n\u003ch2 style=\"margin: 0px 0px 12px; font-size: 25px; line-height: 1.3; color: rgb(41, 38, 33);\"\u003e🔍 Enjoy That “Now I See It” Moment\u003c\/h2\u003e\n\u003cp style=\"margin: 0px 0px 12px;\"\u003eA few marks become a shape. A few more reveal a familiar detail. Keep going, and the scattered pattern begins to make sense.\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 20px;\"\u003e🦉 It's part picture-making, part discovery—with the pleasure of watching something recognizable emerge from your own work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/storage2.tianyierp.com\/public\/product-management\/2026-11-09\/98198398364024833.png\" alt=\"Minimal snowman coloring book still life-7.png\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"padding: 0px 18px;\"\u003e\n\u003ch2 style=\"margin: 0px 0px 12px; font-size: 25px; line-height: 1.3; color: rgb(41, 38, 33);\"\u003e☕ Give Your Downtime a Creative Direction\u003c\/h2\u003e\n\u003cp style=\"margin: 0px 0px 12px;\"\u003eSettle into your favorite spot and spend a little time with pen and paper. A few squares can become a pleasant afternoon project or a quiet evening routine.\u003c\/p\u003e\n\u003cul style=\"margin: 0px 0px 20px; padding-left: 22px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cp\u003e🌿 Enjoy an activity away from your screen.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cp\u003e📖 Pause whenever you like and return to the remaining cells.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cp\u003e🤍 Work at a pace that suits your day.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/storage2.tianyierp.com\/public\/product-management\/2026-11-09\/98198380882165761.png\" alt=\"Cozy monochrome mystery book reveal-9.png\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"padding: 0px 18px;\"\u003e\n\u003ch2 style=\"margin: 0px 0px 12px; font-size: 25px; line-height: 1.3; color: rgb(41, 38, 33);\"\u003e🖤 Let Six Simple Marks Do Something Remarkable\u003c\/h2\u003e\n\u003cp style=\"margin: 0px 0px 12px;\"\u003eDifferent mark densities create contrast, shading, and texture. Together, those tiny details form a complete monochrome image.\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 20px;\"\u003e✨ Take a step back when you're finished and enjoy seeing how much a single black pen can create.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/storage2.tianyierp.com\/public\/product-management\/2026-11-09\/98198416013656065.png\" alt=\"A quiet monochrome coloring break-5.png\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"padding: 0px 18px;\"\u003e\n\u003ch2 style=\"margin: 0px 0px 12px; font-size: 25px; line-height: 1.3; color: rgb(41, 38, 33);\"\u003e🎁 A Thoughtful Gift With Something to Discover\u003c\/h2\u003e\n\u003cp style=\"margin: 0px 0px 12px;\"\u003eKnow someone who enjoys coloring, detailed patterns, or number-based activities? Give them a project that combines a clear method with an intriguing reveal.\u003c\/p\u003e\n\u003cp style=\"margin: 0px 0px 20px;\"\u003e💛 Choose a cover that matches their personality and add a little creative discovery to a birthday, holiday, or just-because gift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/storage2.tianyierp.com\/public\/product-management\/2026-11-09\/98198424200937473.png\" alt=\"Owl Reveal in Progress-4.png\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"padding: 0px 18px;\"\u003e\n\u003ch2 style=\"margin: 0px 0px 12px; font-size: 25px; line-height: 1.3; color: rgb(41, 38, 33);\"\u003e📚 Choose Your Favorite Cover\u003c\/h2\u003e\n\u003cul style=\"margin: 0px 0px 20px; padding-left: 22px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eSkull Cover:\u003c\/strong\u003e A playful, mysterious design with a hooded figure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eSnowman Cover:\u003c\/strong\u003e A cheerful winter design with cozy seasonal character.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/storage2.tianyierp.com\/public\/product-management\/2026-11-09\/98198438528679937.png\" alt=\"Warm up with monochrome mark practice-3.png\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"padding: 0px 18px 24px;\"\u003e\n\u003ch2 style=\"margin: 0px 0px 14px; font-size: 25px; color: rgb(41, 38, 33);\"\u003e📋 Product Details\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 15px;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"min-width: 120px;\"\u003e \u003ccol style=\"min-width: 120px;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width: 36%; padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eBook Title\u003c\/p\u003e\n\u003c\/th\u003e\n\u003ctd style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003e100 Monochrome Mysteries — Color by Number\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eFormat\u003c\/p\u003e\n\u003c\/th\u003e\n\u003ctd style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003ePrinted activity book\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eActivity System\u003c\/p\u003e\n\u003c\/th\u003e\n\u003ctd style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eNumbered grids with six marks coded 0–5\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eInk Color\u003c\/p\u003e\n\u003c\/th\u003e\n\u003ctd style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eBlack\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eGetting Started\u003c\/p\u003e\n\u003c\/th\u003e\n\u003ctd style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eMark guide, warm-up section and pen-test grids\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eCover Options Shown\u003c\/p\u003e\n\u003c\/th\u003e\n\u003ctd style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eSkull and Snowman\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003ePackage Contents\u003c\/p\u003e\n\u003c\/th\u003e\n\u003ctd style=\"padding: 11px 8px; border-bottom: 1px solid rgb(228, 219, 205);\"\u003e\n\u003cp\u003eActivity book in the edition and quantity selected\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"margin: 12px 0px 0px; font-size: 13px; color: rgb(117, 106, 92);\"\u003ePens, gift wrapping and styling props are not included unless listed in your selected option. Interior artwork shown illustrates the activity; check the selected edition for actual contents.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 0px 18px 28px;\"\u003e\n\u003ch2 style=\"margin: 0px 0px 12px; font-size: 25px; color: rgb(41, 38, 33);\"\u003e💬 Frequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to know how to draw?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0px 0px;\"\u003eYou follow the printed number-to-mark guide rather than sketch a picture freehand. Use the warm-up section to get comfortable with the six marks before starting a page.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich pen should I use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0px 0px;\"\u003eChoose a black pen with a tip you can comfortably control within the cells. Try it in the pen-test section first to check the line and overall appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I color every square solid black?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0px 0px;\"\u003eNo. Each code has its own mark. Only code 5 calls for a filled square. The other marks create different densities that help form the image.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I complete a page over several sessions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0px 0px;\"\u003eYes. Complete a section, pause when you like, and continue with the remaining cells later.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the interiors different between covers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0px 0px;\"\u003ePlease check the details of your chosen edition. The cover design alone does not confirm whether the interior content differs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 28px 20px; background: rgb(245, 238, 226); border-radius: 10px;\"\u003e\n\u003ch2 style=\"margin: 0px 0px 12px; font-size: 28px; line-height: 1.25; color: rgb(41, 38, 33);\"\u003e✨ Turn a Little Free Time Into a New Discovery\u003c\/h2\u003e\n\u003cp style=\"max-width: 580px; margin: 0px auto 20px;\"\u003eChoose your cover, pick up a black pen, and enjoy bringing a hidden picture to life—one small mark at a time.\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener noreferrer nofollow\" href=\"#monochrome-book-details\" style=\"display: inline-block; padding: 13px 27px; background: rgb(41, 38, 33); color: rgb(255, 255, 255); text-decoration: none; font-weight: bold; border-radius: 5px;\" target=\"_blank\"\u003e\u003cstrong\u003e Review the Book \u0026amp; Cover Options ↑\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"erguotou","offers":[{"title":"skull","offer_id":46355449380933,"sku":"1UP26110906-skull","price":38.99,"currency_code":"USD","in_stock":true},{"title":"snowman","offer_id":46355449413701,"sku":"1UP26110906-snowman","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/2251\/0661\/files\/98198172995878913_47fbbf04-fb98-4a7b-99be-2b3fca6208f7.png?v=1794285304","url":"https:\/\/gildmorrow.com\/products\/%f0%9f%96%8a%ef%b8%8f-100-monochrome-mysteries-one-pen-color-by-number-activity-book-with-hidden-picture-reveals-%e2%9c%a8-1","provider":"Gildmorrow","version":"1.0","type":"link"}