- I am 6 and This is My Out of This World Sudoku Book Vol 1: Easy Sudoku Puzzle Book for Six Year Old Kids with Bonus 5 Pages of Space Themed Sketch Pages to Entertain Children for Hours
- I am 7 and I Think Sudoku is Totally AWESOME: Easy Sudoku Puzzle Book for Seven-Year-Old Kids with Bonus 4 Word Search Puzzles to Entertain Children for Hours
- I am 7 and This is My Magical Activity Book: Magical Unicorn Themed Activity Book With Easy Sudoku Coloring Pages Sketch Pages Mazes Work Search for Hours of Fun for Seven Year Old Kids
- I am 7 and This is My Out of This WORLD Activity Book: Activity Book with Word Search Easy Sudoku Coloring Pages Sketch Pages Mazes All Spaced Themed for Children Age Seven for Hours of Fun
- I am 9 and This is My Out of This WORLD Activity Book: Activity Book with Word Search Easy Sudoku Coloring Pages Sketch Pages Mazes All Spaced Themed for Children Age Nine for Hours of Fun