Question Mark: The Challenge

By P a Woods

A Puzzle ? A Mathematical Conundrum A Secret Message ? An Encryption ? can YOU solve it ? Probably the worlds hardest thing to solve!!

• Format: Paperback
• Language: English
• ISBN: 1367298245
• ISBN13: 9781367298248
• Release Date: April 2017
• Publisher: Blurb
• Length: 480 Pages
• Weight: 1.95 lbs.
• Dimensions: 1.3" x 6.0" x 9.0"