Finished a puzzle? Check it here. Pick the book you are working on, enter your answer, and we will tell you whether you have it — without ever showing you the solution.

No answer is displayed on this page, in this site’s code, or in any email. Right or wrong.

Which book are you solving?

The Reading Desk

Free Printables

Ten-minute cases, free to print and free to share. Sixty classmates, five clues, one killer — the same mechanism as the books, at a size that fits three sheets. No sign-up. Check your answer at the desk above.

Play Online

Browser-playable cases are in build. Until then, the printables above are the full experience — and the desk will check your answer either way.

The Ledger

A public, anonymous tally — every reader who has cracked one.

Reading the shelves…