61 books • 34 series
Book #1: Brain Puzzles for Kids 8 - 12
Book #2: Brain Puzzles for Kids
Book #1: Logic Puzzles for Adults
Book #1: Logic Puzzles Games
Book #1: Puzzles for Family
Book #1: Math Puzzles for Adults
Book #1: Puzzles for Juniors
Book #1: Puzzles for Wife
Book #1: Puzzles for Families
Book #1: Logic Puzzles for Kids
Book #2: Logic Puzzles Kids
Book #3: Logic Puzzles For Kids Ages 8 - 10
Book #1: Logic Puzzles Kindergarten
Book #1: Puzzles for Him
Book #1: Logic Puzzles Middle School
Book #1: Logic Puzzles For Teens
Book #1: Logic Puzzles Book For Adults
Book #1: Logic Puzzles for High School