Hi, I'm J. B. Cruz. I design coloring books and puzzle books for Amazon KDP, with six titles of my own so far and more on the way. I know KDP's rules for trim size, bleed, spine width, and the barcode area, and I check every page before it ships, including every answer key. I'd love to help you get your coloring book, puzzle book, cover, or listing ready to upload. Message me before you order and I'll tell you honestly whether I'm a good fit.... Lee más