Series
Travel Sudoku Journals Series
A collection of travel Sudoku journals featuring classic and specialty Sudoku variants, including 9×9, 16×16, Arrow Sudoku, and Jigsaw Sudoku. Each book combines puzzle solving with dedicated space for travel notes and memories.
CrossMath Focused Series
Math practice that feels like solving a puzzle
CrossMath combines arithmetic practice with crossword-style logic. Each volume focuses on specific operations, helping children practice calculations while using intersecting answers to solve the grid.
The 10-book learning path
Choose the CrossMath volume that matches the skill
Start with one operation or work progressively through the series.
Vol. 1Arrow Sudoku Travel Journal | 50 Expert-Level Logic Puzzles for Advanced Solvers
50 medium-to-hard Arrow Sudoku puzzles with journaling space for travel memories and reflections.
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Vol. 2Jigsaw Sudoku Travel Journal | 50 Unique Logic Puzzles for Puzzle Lovers
50 medium-to-hard Jigsaw Sudoku puzzles with journaling space for travel memories and reflections.
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Vol. 3Travel Sudoku Puzzle Journal: 16×16 Alphabet Edition | Portable Brain Training for the Road
50 medium-to-hard 16×16 alphabet Sudoku puzzles with journaling space for travel memories and reflections.
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Vol. 4Travel Sudoku Puzzle Journal: 9×9 Edition | Take Classic Puzzles Everywhere with You
50 travel-friendly Sudoku puzzles with journaling space for memories and reflections.
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Ways to use CrossMath
Screen-free learning
Why families use puzzle-based math practice
Series Gallery
Books in This Series
Arrow Sudoku Travel Journal | 50 Expert-Level Logic Puzzles for Advanced Solvers
50 medium-to-hard Arrow Sudoku puzzles with journaling space for travel memories and reflections.
Jigsaw Sudoku Travel Journal | 50 Unique Logic Puzzles for Puzzle Lovers
50 medium-to-hard Jigsaw Sudoku puzzles with journaling space for travel memories and reflections.
Travel Sudoku Puzzle Journal: 16×16 Alphabet Edition | Portable Brain Training for the Road
50 medium-to-hard 16×16 alphabet Sudoku puzzles with journaling space for travel memories and reflections.
Travel Sudoku Puzzle Journal: 9×9 Edition | Take Classic Puzzles Everywhere with You
50 travel-friendly Sudoku puzzles with journaling space for memories and reflections.