In 1963 a schoolboy browsing in his local library stumbled across a great mathematical problem: Fermat's Last Theorem, a puzzle that every child can now underst

‘I have a truly marvellous demonstration of this proposition which this margin is too narrow to contain.’

From bestselling author of Fermat's Last Theorem, a must-have for number lovers and Simpsons fans

When the reporters to a sex-trafficking exposé are murdered and computer hacker Lisbeth Salander is targeted as the killer, Mikael Blomkvist, the publisher of

"As gripping as a good thriller." --The Washington Post Unpack the science of secrecy and discover the methods behind cryptography--the encoding and decoding of