- Brain Power Puzzles 1: An Activity Book of Word Searches, Sudoku, Math Puzzles, Anagrams, Scrambled Words, Crosswords, Cryptograms, and More
- Brain Power Puzzles 8: A Variety of Christian-based Puzzles, Word Searches, Sudoku, Cryptograms, Pictograms, Anagrams, Scrambled Words, Crosswords, Word Ladders and more
- Brain Power Puzzles 2: Activity Book of Word Searches, Sudoku, Math Puzzles, Hidden Words, Anagrams, Scrambled Words, Boggle Boards, Mazes and More
- Brain Power Puzzles 4: Activity Book of Word Puzzles, Mazes, Crosswords, Word Searches, Sudoku, Math Puzzles, Cryptograms, Anagrams, and More
- Brain Power Puzzles 6: 175 Math Puzzles including Sudoku, Kakuro, Kendoku, Magic Squares, Pyramids, Fillomino, Calcudoku and More