120 books • 11 series
Book #1: Cafe Sudoku Easy #1
Book #2: Cafe Sudoku Easy #2
Book #3: Cafe Sudoku Easy #3
Book #4: Cafe Sudoku Easy #4
Book #5: Cafe Sudoku Easy #5
Book #4: On The Go - Number Search - Volume 4
Book #5: On The Go - Number Search - Volume 5
Book #7: On The Go - Number Search - Volume 7
Book #8: On The Go - Number Search - Volume 8
Book #10: On The Go - Number Search - Volume 10
Book #1: Cafe - Number Search Puzzles #1
Book #2: Cafe - Number Search Puzzles #2
Book #3: Cafe - Number Search Puzzles #3
Book #4: Cafe - Number Search Puzzles #4
Book #5: Cafe - Number Search Puzzles #5