I love playing Sudoku, so decided my first digital/printable book would be based on that.  I also love colorful critters, so I used cute number “characters” as the basis for the puzzles, especially since this one’s aimed at beginners.  (Or big kids like me.) The book is available on Etsy.  You’ll then get 4 downloadable PDF files, 2 puzzle ones and 2 solutions ones.  You can print 1 puzzle or…