69 books • 21 series
Simple Mathematical Puzzles (Math Puzzle Books, #2)
Puzzles For Friends (Logic Puzzle Books, #1)
Numbrix Puzzles (Math Puzzle Books, #1)
Quick Logic Puzzles (Logic Puzzle Books, #2)
Mathematical Logical Puzzles (Puzzle Books for Adults, #3)
Japanese Puzzles (Japanese Puzzle Books, #1)
Logic Grid Puzzles For Kids
Mathematics Puzzle Games (Puzzle Books for Adults, #4)
Maths Number Puzzles (Puzzle Books for Adults, #6)
Math Grid Puzzles (Puzzle Books for Adults, #2)
Logic Puzzles For Children (Puzzle Books for Kids, #2)
Logic Grid Puzzle Book (Puzzle Books for Adults, #1)
Maths Games And Puzzles (Puzzle Books for Adults, #5)
Logic Puzzles For Middle School
Easy Maths Puzzles With Answers (Easy Puzzle Books, #2)
Easy Logic Grid Puzzles (Easy Puzzle Books, #1)
Fun Logic Puzzles (Logic Puzzle Games, #1)
Hard Math Puzzles (Hard Puzzle Books, #2)
Grid Puzzle Games (Logic Puzzle Games, #2)
Hard Logic Puzzles With Answers (Hard Puzzle Books, #1)
Difficult Logic Puzzles (Hard Puzzle Books, #1)
4th Grade Logic Puzzles (Logic Puzzles for Kids, #1)
5th Grade Logic Puzzles (Logic Puzzles for Kids, #2)
5th Grade Math Puzzles (Logic Puzzles for Kids, #3)