| title |  | ISBN-13 | year of publica- tion
 | other author(s) | 
|---|
| 10-Minute Brain Teasers: Brain-Training Tips, Logic Tests, and Puzzles to Exercise Your Mind |   | 978-1-61608-024-2 | 2010 | 
| Anti-Stress Puzzles |   | 978-1-78243-610-2 | 2016 | 
| Anti-Stress Puzzles |   | 978-1-78243-611-9 | 2016 | 
| Anti-Stress Puzzles |   | 978-1-78243-612-6 | 2016 | 
| Anti-Stress Puzzles: Refocus Your Thoughts and Revive Your Mind |   | 978-1-78243-474-0 | 2015 | 
| A Question of Truth: Christianity and Homosexuality |   | 978-0-8264-5949-7 | 2003 | 
| Body in Context: Catholicism and Sex |   | 978-0-8264-5356-3 | 2001 | 
| Brain Games for Clever Kids |   | 978-1-78055-249-1 | 2014 | 
| Connect & Color: Gardens Dot-to-Dot: Beautiful Flowers, Birds, and Butterflies to Reveal and Color |   | 978-1-250-14917-6 | 2019 | 
| Connect & Color: Great Escapes Dot-to-Dot: Beautiful Places to Reveal and Color |   | 978-1-250-13460-8 | 2017 | 
| Connect & Color: Inspiring Words Dot-to-Dot: Hopeful Sayings to Reveal and Color |   | 978-1-250-14918-3 | 2019 | 
| Connect & Color: Mindful Dot-to-Dot: Meditative Puzzles to Reveal and Color |   | 978-1-250-12789-1 | 2017 | 
| Connect & Color: Spectacular Dot-to-Dot: Clever Puzzles to Reveal and Color |   | 978-1-250-12788-4 | 2017 | 
| Connect & Color: Wild Kingdom Dot-to-Dot: Nature's Wonders to Reveal and Color |   | 978-1-250-13459-2 | 2017 | 
| Crosswords for Clever Kids |   | 978-1-78055-308-5 | 2015 | 
| Das große Hanjie-Buch für Kinder |   | 978-3-570-27076-9 | 2006 | 
| Dieci minuti al giorno per migliorare la vostra mente |  | 978-88-7887-073-4 | 2007 | 
| Dieci minuti al giorno per sviluppare l'intelligenza di tuo figlio |  | 978-88-7887-072-7 | 2007 | 
| Essential Book of Hanjie: And How to Solve It |   | 978-1-4165-3621-5 | 2006 | 
| Fast Brain Workouts: Exercises, tests & puzzles to keep your brain super-fit |   | 978-1-78243-314-9 | 2014 | 
| Kakuro: Das neue japanische Zahlenrätsel |   | 978-3-442-16841-5 | 2005 | 
| Kakuro, Hanjie & Sudoku |   | 978-3-8112-2868-9 | 2006 | 
| Kakuro para ninos/ Kakura for Children |  | 978-970-775-209-2 | 2007 | 
| Keep Your Brain Fit: 101 Ways to Tone Your Mind |   | 978-1-84483-833-2 | 2009 | 
| Keep Your Brain Fit: 101 Ways to Tone Your Mind |   | 978-1-84483-843-1 | 2009 | 
| Kids' 10-Minute Brain Workout: Brain-Training Tricks, Riddles and Puzzles to Exercise Your Mind |   | 978-1-905158-53-9 | 2006 | 
| Le livre des jeux de logique japonais: Sudoku, Kakuro, Hanjie, Hitori |  | 978-2-258-07072-1 | 2006 | 
| Le livre du Hanjie |  | 978-2-258-07134-6 | 2006 | 
| Le livre du Kakuro: Plus de 100 grilles niveaux 1 à 5 |  | 978-2-258-07055-4 | 2006 | 
| Le petit livre du Sudoku |  | 978-2-258-07011-0 | 2005 | 
| Optical Illusions |   | 978-1-4723-3094-9 | 2013 | 
| Quick Kakuro And How To Solve It |   | 978-1-84317-211-6 | 2006 | 
| Rusz glowa Gimnastyka umyslowa dla przyszlych geniuszy: 10 minut kazdego dnia |  | 978-83-7660-267-7 | 2011 | 
| Solve This!: Number Logic |   | 978-0-7624-3955-3 | 2010 | 
| Solve This!: Word Puzzles |   | 978-0-7624-3954-6 | 2010 | 
| Sticker Mosaics: Crazy Cats: Create Cute Pictures with 1,842 Stickers! |   | 978-1-250-22873-4 | 2019 | 
| Sticker Mosaics: Mermaids: Create Mystical Pictures with 1,869 Stickers! |   | 978-1-250-22860-4 | 2019 | 
| Sudoku Makes You Smarter! |   | 978-1-4169-3663-3 | 2007 | 
| Sudoku Makes You Smarter! Ean Clip Strip Prepack 8 |   | 978-1-4169-3762-3 | 2007 | 
| The 10-Minute Brain Workout |   | 978-1-84317-217-8 | 2006 | 
| The Body in Context: Sex and Catholicism |   | 978-0-8264-8568-7 | 2005 | 
| The Book of Hanjie: And How to Solve it |   | 978-1-84317-206-2 | 2006 | 
| The Book of Hitori: And How To Solve It |   | 978-1-84317-220-8 | 2006 | 
| The Book of Japanese Puzzles, and How to Solve Them: Sudoku, Kakuro, Hanjie |   | 978-1-84317-202-4 | 2005 | 
| The Book of Kakuro: And How to Solve It |   | 978-1-84317-200-0 | 2005 | 
| The Brain Workout: Use It or Lose It |   | 978-1-84317-563-6 | 2011 | 
| The Essential Book of Japanese Puzzles and How to Solve Them |   | 978-0-7432-9742-4 | 2006 | 
| The Essential Book of Kakuro 2 |   | 978-0-7432-9956-5 | 2006 | 
| The Essential Book of Kakuro: And How to Solve It |   | 978-0-7432-9441-6 | 2005 | 
| The Kids' Book of Crosswords |   | 978-1-78055-077-0 | 2011 | 
| The Kids' Book of Hanjie! |   | 978-1-4169-4029-6 | 2006 | 
| The Kids' Book of Hanjie |   | 978-1-905158-40-9 | 2006 | 
| The Kids' Book Of Holiday Puzzles |   | 978-1-78055-163-0 | 2013 | Ellen Bailey | 
| The Kids' Book of Kakuro! |   | 978-1-4169-2732-7 | 2006 | 
| The Kids' Book of Kakuro |   | 978-1-905158-33-1 | 2005 | 
| The Kids' Book of Mazes |   | 978-1-78055-248-4 | 2014 | 
| The Kids' Book of Number Puzzles |   | 978-1-4169-2733-4 | 2006 | 
| The Kids' Book of Puzzles |   | 978-1-78055-135-7 | 2012 | 
| The Kids' Book of Sudoku! Challenge Edition |   | 978-1-4169-4116-3 | 2006 | 
| The Kids' Book of Wordsearches |   | 978-1-78055-076-3 | 2011 | 
| The Little Book of Hard-as-Nails Sudoku 5 |   | 978-1-84317-418-9 | 2009 | 
| The Little Book of Sudoku 4 |   | 978-1-78243-667-6 | 2016 | 
| The Little Book of Sudoku 4 |   | 978-1-84317-323-6 | 2008 | 
| The Little Book of Sudoku 5 |   | 978-1-78243-678-2 | 2016 | 
| The Mammoth Book of Brain Games |   | 978-0-7624-5226-2 | 2014 | 
| The Mammoth Book of Brain Workouts |   | 978-0-7624-3375-9 | 2008 | 
| The Mammoth Book of Fun Brain-Training |   | 978-0-7624-4093-1 | 2011 | 
| The Mammoth Book of Fun Brain-Training |   | 978-1-84901-434-2 | 2011 | 
| The Mammoth Book of New Sudoku |   | 978-0-7624-4936-1 | 2013 | 
| The Times World Atlas Puzzle Book |   | 978-0-00-835178-6 | 2019 | Times Atlases | 
| Train the Brain: Use It or Lose It |   | 978-1-58542-753-6 | 2009 | 
| Train the Brain: Use It Or Lose It |   | 978-1-84317-305-2 | 2008 | 
| Ultimate Dot to Dot: Extreme Puzzle Challenge |   | 978-1-4380-0855-4 | 2016 | 
| Wordsearches for Clever Kids |   | 978-1-78055-307-8 | 2015 |