Krazydad Two Not Touch Volume 4: 360 Star Battle Puzzles to Preserve Your Sanity in These Trying Times: Bumgardner, Jim: 9781946855411: Amazon.com: Books
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Printable Puzzles by KrazyDad
Krazydad Large Print Psycho Killer Sudoku Volume 1: 108 Tough to Insane Puzzles by Jim Bumgardner