Publish best-selling "Bold & Easy" cozy coloring books on Amazon KDP and Etsy. Generate clean black-and-white line art across multiple pages and export directly to PDF.
The most popular Amazon KDP coloring book size is 8.5 × 11 inches, which equals 2550 × 3300 pixels at 300 DPI (or 2588 × 3375 px with bleed).