The previous page is sending you to https://www.thriftbooks.com/w/big-book-of-sudoku---easy-to-medium---1000-puzzles-huge-bargain-collection-of-1000-puzzles-and-solutions-easy-to-medium-level-tons-of-challenge-and-fun-for-your-brain_beeboo-puzzles/28631812/item/63931391/?isbn=1710831227&idiq=63931391&srsltid=AfmBOopyTe8UQwF3eGm6Jc2ZMruBXn64-uqFP42Lg7IKMRcQyexsoqb2G-w.

 If you do not want to visit that page, you can return to the previous page.