BUNDLE | KDP Interior Templates Premium - 10000 Hard Level SUDOKU Puzzles | Ready to Use Content Books.
Digital files make it easy to create thousands of books. Just add as many pages as you want, a cover, and publish!

PRODUCT INFORMATION
* 10000 Hard Level SUDOKU Puzzles (80 sudoku books)
* Format:  PDF Files (8.5 x 11 inches)
* 300 DPI
* Tested on KDP - INGRAM - B&N P - Lulu