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Jeff Heldt

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Books by Jeff Heldt

Math Brain Teasers for Adults with Answers: Water Fun Puzzles - The Best Puzzles Collection 1719807531 Book Cover

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

Jeff Heldt

$12.49

Maths Small Puzzles: Mathrax Puzzles - The Best Japanese Puzzles Collection 1719899207 Book Cover

Maths Small Puzzles: Mathrax Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.49

Mental Games: Hakoiri Puzzles - 100 Large Print Puzzles 1718115369 Book Cover

Mental Games: Hakoiri Puzzles - 100 Large Print Puzzles

Jeff Heldt

$12.49

Mathematical Brain Teasers: Rossini Sudoku Puzzles - 100 Large Print Puzzles 1718114966 Book Cover

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

Jeff Heldt

$12.49

Math Puzzles for Grade 7: Sudoku Mine Puzzles - The Best Puzzles Collection 1719828660 Book Cover

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

Jeff Heldt

$12.49

Square Puzzles: Nuribou Puzzles - The Best Japanese Puzzles Collection 1719912386 Book Cover

Square Puzzles: Nuribou Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.48

Block Puzzles: Patchwork Puzzles - The Best Japanese Puzzles Collection 1719901163 Book Cover

Block Puzzles: Patchwork Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.49

Difficult Maths Puzzles with Answers: Killer Sudoku 10x10 Puzzles - The Best Japanese Puzzles Collection 171987820X Book Cover

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

Jeff Heldt

$12.49

Challenging Brain Teasers for Adults: Kuroshiro Puzzles - The Best Puzzles Collection 1718194404 Book Cover

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

Jeff Heldt

$12.49

Best Maths Puzzles with Answers: Sign in Puzzles - The Best Puzzles Collection 1718188722 Book Cover

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

Jeff Heldt

$12.49

Quick Brain Teasers for Adults: Mirukuti Puzzles - The Best Puzzles Collection 1719812616 Book Cover

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

Jeff Heldt

$12.49

Simple Brain Teasers with Answers: Open Office Puzzles - The Best Puzzles Collection 1719812950 Book Cover

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

Jeff Heldt

$12.49

Puzzle Games for Girls: Easy as ABC Puzzles - The Best Japanese Puzzles Collection 1719911452 Book Cover

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

Jeff Heldt

$12.48

Best Puzzle Games: Canal View Puzzles - The Best Puzzles Collection 1718194064 Book Cover

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

Jeff Heldt

$12.49

Mind Teaser Games for Adults: Kakurasu Puzzles - The Best Puzzles Collection 1719811563 Book Cover

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

Jeff Heldt

$12.49

Crazy Puzzles: Country Road Puzzles - The Best Puzzles Collection 1718199899 Book Cover

Crazy Puzzles: Country Road Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.49

Best Brain Games: Heyawake Puzzles - 100 Large Print Puzzles 1718098545 Book Cover

Best Brain Games: Heyawake Puzzles - 100 Large Print Puzzles

Jeff Heldt

$12.49

Complex Math Puzzles: Calcudoku Puzzles - The Best Japanese Puzzles Collection 1719873518 Book Cover

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

Jeff Heldt

$12.49

Daily Maths Puzzle: Calcudoku Puzzles - The Best Japanese Puzzles Collection 1719873917 Book Cover

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

Jeff Heldt

$12.49

Brain Teaser Games And Puzzles: CalcuDoku Puzzles - The Best Japanese Puzzles Collection 1719873321 Book Cover

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

Jeff Heldt

$12.49

Math Logic Puzzles for Adults: Roma Puzzles - The Best Puzzles Collection 1719807736 Book Cover

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

Jeff Heldt

$12.49

Puzzles Based on Maths: Number Chain Puzzles - 100 Large Print Puzzles 1718119445 Book Cover

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

Jeff Heldt

$12.49

4th Grade Math Riddles: Country Road Puzzles - The Best Puzzles Collection 1719827982 Book Cover

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

Jeff Heldt

$12.49

5th Grade Math Puzzles : Tents Puzzles - 100 Large Print Puzzles 1718034873 Book Cover

5th Grade Math Puzzles : Tents Puzzles - 100 Large Print Puzzles

Jeff Heldt

$12.61

Geometry Puzzles: Shakashaka Puzzles - The Best Japanese Puzzles Collection 1719910383 Book Cover

Geometry Puzzles: Shakashaka Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.49

Easy Maths Puzzles with Answers: Numbrix Puzzles - 100 Large Print Puzzles 1718074042 Book Cover

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

Jeff Heldt

$12.49

Fun Logic Games: Gyokuseki Puzzles - The Best Japanese Puzzles Collection 1719901511 Book Cover

Fun Logic Games: Gyokuseki Puzzles - The Best Japanese Puzzles Collection

Jeff Heldt

$12.49

Block Puzzle Classic : Heyawake Puzzles - the Best Japanese Puzzles Collection 1719900779 Book Cover

Block Puzzle Classic : Heyawake Puzzles - the Best Japanese Puzzles Collection

Jeff Heldt

$12.49

Brain Challenges for Adults: Nurimaze Puzzles - The Best Puzzles Collection 1718194137 Book Cover

Brain Challenges for Adults: Nurimaze Puzzles - The Best Puzzles Collection

Jeff Heldt

$12.49

Quick Puzzle Games: No Four in a Row Puzzles - The Best Japanese Puzzles Collection 1719912246 Book Cover

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

Jeff Heldt

$12.48

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