Jim Bumgardner – författare

Kaleidoscope Logic Puzzles

A Mesmerizing Mix of Logic and Art

Krazydad Easy Suguru Volume 1

300 Insanely Addicting Puzzles

Krazydad Challenging Suguru Volume 1

300 Insanely Addicting Puzzles

Krazydad Easy Suguru Volume 3: 300 Insanely Addicting Puzzles

Krazydad Large Kakuro Volume 1

99 Enormously Satisfying Puzzles

Krazydad Large Kakuro Volume 2: 99 Enormously Satisfying Puzzles

Krazydad Large Kakuro Volume 3: 99 Enormously Satisfying Puzzles

Krazydad Tough Kakuro Volume 1

99 Enormously Challenging Puzzles

Krazydad Tough Kakuro Volume 2: 99 Enormously Challenging Puzzles

Krazydad Tough Kakuro Volume 3: 99 Enormously Challenging Puzzles

Krazydad Diabolical Two Not Touch Volume 1

360 Tricky Star Battle Puzzles

Krazydad Stupendous Suguru Volume 1

108 Puzzles of Unusual Size

Krazydad Stupendous Suguru Volume 2

108 Puzzles of Unusual Size

Krazydad Stupendous Suguru Volume 3: 108 Puzzles of Unusual Size

Krazydad Battleships Attack!! Volume 1

216 Ferocious Puzzles

Krazydad Battleships Attack!! Volume 2

216 Ferocious Puzzles

Krazydad Killer Sudoku Volume 1

360 Intermediate to Tough Puzzles

Krazydad Large Print Killer Sudoku Volume 1

108 Intermediate to Tough Puzzles

Krazydad Psycho Killer Sudoku Volume 1

360 Tough to Insane Puzzles

Krazydad Stupendous Suguru Volume 4: 108 Puzzles of Unusual Size

Krazydad Stupendous Suguru Volume 5: 108 Puzzles of Unusual Size

Krazydad Stupendous Suguru Volume 6: 108 Puzzles of Unusual Size

Krazydad Killer Sudoku Volume 2

360 Intermediate to Tough Puzzles

Krazydad Killer Sudoku Volume 3: 360 Intermediate to Tough Puzzles

Krazydad Psycho Killer Sudoku Volume 3: 360 Tough to Insane Puzzles

Krazydad Stupendous Suguru Volume 7

108 Puzzles of Unusual Size

Krazydad Stupendous Suguru Volume 8

108 Puzzles of Unusual Size

Krazydad Stupendous Suguru Volume 9

108 Puzzles of Unusual Size

Krazydad Two Not Touch Volume 1

360 Star Battle Puzzles to Preserve Your Sanity in these Trying Times