Frequently Asked Questions
Questions and answers about books and games.
What are the books?
The books are physical paperback puzzle books, printed on demand by Amazon and shipped to you. Each book has one puzzle per page, large-format numbers, and complete solutions in the back.
Where are the books purchased?
All books are available on Amazon. Each book page on this site has a direct link to the Amazon listing.
Are refunds available?
Books are sold through Amazon and subject to Amazon's return policy. For questions about a specific order, contact Amazon directly.
What devices can I use for the browser games?
The browser games work in any modern web browser on phones, tablets, and computers. No download or account is required.
Will new books be added?
New puzzle books are added regularly. Sign up for the newsletter to be notified when new titles are available.
Contact
Email [email protected].