Letter Sudoku Wordoku or Word Sudoku - Etsy in 2023 | Lettering, Printable puzzles, Words
Letters and Words Sudoku (Paperback) | Vroman's Bookstore
Letters and Words Sudoku (Paperback) | Murder By The Book
Beginner Sudoku Books For Adults: Sudoku Puzzle Books For Adults Large Font (Paperback) | Penguin Bookshop
Sudoku techniques
1000+ Sudoku Puzzles Book For Adults From Easy To Very Hard With Full Solutions: Matte Cover, 411 Pages, 8.50*11" by Maryn G. Haves | Goodreads
Sudoku Puzzle Books for Adults: 1000 New Sudoku Puzzles with Easy - Medium - Hard Level for Beginners and Masters (big sudoku book 1) - Reeves, Karen G.: 9781657564992 - AbeBooks