55 books • 16 series
Book #1: Krazydad 6x6 Kakuro Volume 1
Book #2: Krazydad Battleships Attack!! Volume 2
Book #1: Krazydad Challenging Suguru Volume 1
Book #2: Krazydad Challenging Suguru Volume 2
Book #3: Krazydad Challenging Suguru Volume 3
Book #1: Krazydad Diabolical Two Not Touch Volume 1
Book #2: Krazydad Diabolical Two Not Touch Volume 2
Book #3: Krazydad Diabolical Two Not Touch Volume 3
Book #3: Krazydad Easy Suguru Volume 3
Book #1: End Times SUDOKU
Book #2: Krazydad Killer Sudoku Volume 2
Book #3: Krazydad Killer Sudoku Volume 3
Book #1: Krazydad Krypto Kakuro Volume 1
Book #1: Krazydad Large Kakuro Volume 1
Book #2: Krazydad Large Kakuro Volume 2
Book #3: Krazydad Large Kakuro Volume 3
Book #1: Krazydad Large Print Killer Sudoku Volume 1
Book #1: Krazydad Large Print Psycho Killer Sudoku Volume 1
Book #2: Krazydad Psycho Killer Sudoku Volume 2
Book #3: Krazydad Psycho Killer Sudoku Volume 3
Book #2: Krazydad Stupendous Suguru Volume 2
Book #4: Krazydad Stupendous Suguru Volume 4
Book #5: Krazydad Stupendous Suguru Volume 5
Book #7: Krazydad Stupendous Suguru Volume 7
Book #8: Krazydad Stupendous Suguru Volume 8
Book #1: Krazydad Tough Kakuro Volume 1
Book #2: Krazydad Tough Kakuro Volume 2
Book #3: Krazydad Tough Kakuro Volume 3
Book #1: Krazydad Two Not Touch Volume 1
Book #2: Krazydad Two Not Touch Volume 2
Book #3: Krazydad Two Not Touch Volume 3
Book #4: Krazydad Two Not Touch Volume 4
Book #5: Krazydad Two Not Touch Volume 5