Jeff Heldt

Math Brain Teasers for Adults with Answers: Water Fun Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.61

Mathematical Brain Teasers: Rossini Sudoku Puzzles - 100 Large Print Puzzles

Jeff Heldt

$12.61

Math Puzzles for Grade 7: Sudoku Mine Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.61

Square Puzzles: Nuribou Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.60

Block Puzzles: Patchwork Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.61

Difficult Maths Puzzles with Answers: Killer Sudoku 10x10 Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.61

Challenging Brain Teasers for Adults: Kuroshiro Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.61

Best Maths Puzzles with Answers: Sign in Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.61

Quick Brain Teasers for Adults: Mirukuti Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.61

Simple Brain Teasers with Answers: Open Office Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.73

Puzzle Games for Girls: Easy as ABC Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.60

Best Puzzle Games: Canal View Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.61

Mind Teaser Games for Adults: Kakurasu Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.61

Crazy Puzzles: Country Road Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.61

Best Brain Games: Heyawake Puzzles - 100 Large Print Puzzles

Jeff Heldt

$12.61

Complex Math Puzzles: Calcudoku Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.61

Daily Maths Puzzle: Calcudoku Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.61

Brain Teaser Games And Puzzles: CalcuDoku Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.61

Math Logic Puzzles for Adults: Roma Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.61

Puzzles Based on Maths: Number Chain Puzzles - 100 Large Print Puzzles

Jeff Heldt

$12.73

Puzzles for Brain Development: Yonmasu Puzzle - The Best Japanese Puzzles Collection

Jeff Heldt

$12.60

Mental Maths Puzzles: Nanro Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.61

Brain Tickler: Mathrax Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.61

Ying - Yang Puzzles: 100 Large Print Puzzles

Jeff Heldt

$12.61

Puzzles And Brain Teasers With Answers: Norinori Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.73

Number Brain Teasers: Trace Numbers Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.60

4th Grade Math Riddles: Country Road Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.61

Geometry Puzzles: Shakashaka Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.61

Easy Maths Puzzles with Answers: Numbrix Puzzles - 100 Large Print Puzzles

Jeff Heldt

$12.61

Quick Puzzle Games: No Four in a Row Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.60