The World's Most Challenging Puzzles

The World's Most Challenging Puzzles

The World's Most Challenging Puzzles

By

Charles Barry Townsend

By

Charles Barry Townsend

1988 • 128 pages

Ratings1

Average rating4

15

Community

Readers & Supporters

Join Our Discord

Follow Along

Blog Hardcover Live About Hardcover Request a feature

We're an Open Book

Frequently Asked Questions Contact Support Roadmap Our Policies