Book 7 Pre-Order: Expert-Level Deduction Puzzles

PREORDER: Enjoy a curated collection of our most challenging deduction puzzles yet.

Inspired by Mt. Everest, the world's highest peak at 8,848 meters, this book embodies the spirit of triumph over adversity. Embark on a journey to conquer the summit of intellect and experience the exhilaration of overcoming formidable mental challenges.

Thank you so much for your support! 10% of your purchase will be donated to a non-profit supporting brain injury survivors.

Special pre-order price. Prices increase once the pre-order period ends.

Printed and spiral-bound by hand in the USA.