A hardcover version of the Logic to the Rescue series is now available on Amazon. Volume One contains books 1 to 4. Volume Two contains books 5 to 8. This hardcover version is great for schools and libraries.
The boxed set (eBook) version of my Logic to the Rescue series will be free on Amazon for 2 days: September 10 2023 and September 11 2023. The boxed set includes all 8 books in the series.