9500 new quotes, and one new surprise feature…
Roughly 10,000 new puzzles coming in April/May!
Fascinating insight into the mind and career of an inveterate book thief.
A 600 year old book written entirely in cipher that has yet to be decrypted.
Brilliant story of the conquest of Peru and the final Inca rebellion.
Speed solvers can use this new shortcut to shave seconds off their time.
16 tips and tricks on how to solve cryptograms like a pro.
A chemistry book that won’t bore you senseless.