49 books • 8 series
Brain Games For Elderly (Killer Sudoku Puzzle Books, #3)
Brain Games Book (Killer Sudoku Puzzle Books, #1)
Mind Games Large Print (Killer Sudoku Puzzle Books, #5)
Mind Game Puzzles (Killer Sudoku Puzzle Books, #6)
Math Puzzles For Kids (Math Puzzle Books for Kids, #4)
Japanese Brain Teasers (Kakuro Puzzles, #3)
Logic Puzzles For Kids Age 10 To 13 (Math Puzzles for Teens, #3)
Brain Teaser Games For Teens (Math Puzzles for Teens, #5)
Math Games For Kids (Math Puzzles for Kids, #2)
Math Puzzles For Teens (Math Games for Teens, #7)
Logic Puzzles For Kids (Math Puzzle Books for Kids, #1)
Logic Puzzles For Middle School (Math Puzzles for Teens, #6)
Brain Teasers For Kids (Math Puzzle Books for Kids, #3)
Math Games For Teens (Math Puzzles for Teens, #2)
Math Games 3rd Grade (Math Puzzle Books for Kids, #2)
Puzzle Games For Kids (Math Puzzles for Kids, #3)
Math Puzzles For Middle School (Math Puzzles for Teens, #1)
Brain Teasers For Adults (Kakuro Puzzles, #1)
Math Puzzle Book For Kids (Math Puzzles for Kids, #1)
Brain Teaser Book (Kakuro Puzzles, #2)
Brain Teasers For Kids Ages 10-12 (Math Puzzles for Teens, #4)
Brain Teaser Games (Kakuro Puzzles, #4)
Logic Puzzles For Adults (Kakuro Puzzles for Adults, #1)
Brain Teasers For Office (Kakuro Puzzles, #5)