A NEW YORK TIMES BESTSELLER The official book behind the Academy Award-winning film The Imitation Game, starring Benedict Cumberbatch and Keira Knightley It is only a slight exaggeration to say that the British mathematician Alan Turing (1912–1954) saved the Allies from the Nazis, invented the computer and artificial intelligence, and anticipated gay liberation by decades—all before his suicide at age forty-one. This New York Times bestselling biography of the founder of computer science, with a new preface by the author that addresses Turing’s royal pardon in 2013, is the definitive account of an extraordinary mind and life. Capturing both the inner and outer drama of Turing’s life, Andrew Hodges tells how Turing’s revolutionary idea of 1936—the concept of a universal machine—laid the foundation for the modern computer and how Turing brought the idea to practical realization in 1945 with his electronic design. The book also tells how this work was directly related to Turing’s leading role in breaking the German Enigma ciphers during World War II, a scientific triumph that was critical to Allied victory in the Atlantic. At the same time, this is the tragic account of a man who, despite his wartime service, was eventually arrested, stripped of his security clearance, and forced to undergo a humiliating treatment program—all for trying to live honestly in a society that defined homosexuality as a crime. The inspiration for a major motion picture starring Benedict Cumberbatch and Keira Knightley, Alan Turing: The Enigma is a gripping story of mathematics, computers, cryptography, and homosexual persecution.

Sunni, her stepbrother Dean, and an art-student friend trace the footsteps of a labyrinth built in Blackhope Tower by a sixteenth-century artist, and suddenly find themselves trapped inside his painting, trying desperately to get out.

Discusses species of dinosaurs found on the continent of North America 70 million years ago.

December, 1932 In the bathroom of a Belgian hotel, a French spymaster photographs top-secret documents – the operating instructions of the cipher machine, Enigma. A few weeks later a mathematician in Warsaw begins to decipher the coded communications of the Third Reich and lays the foundations for the code-breaking operation at Bletchley Park. The co-operation between France, Britain and Poland is given the cover-name 'X, Y & Z'. December, 1942 It is the middle of World War Two. The Polish code-breakers have risked their lives to continue their work inside Vichy France, even as an uncertain future faces their homeland. Now they are on the run from the Gestapo. People who know the Enigma secret are not supposed to be in the combat zone, so MI6 devises a plan to exfiltrate them. If it goes wrong, if they are caught, the consequences could be catastrophic for the Allies. Based on original research and newly released documents, X, Y & Z is the exhilarating story of those who risked their lives to protect the greatest secret of World War Two.

#1 New York Times bestselling author Elizabeth Wein delivers an exhilarating, unmissable thriller that finds three very different young adults united to decode a secret that could turn the tide of World War II Facing a seemingly endless war, fifteen-year-old Louisa Adair wants to fight back, make a difference, do something--anything to escape the Blitz and the ghosts of her parents, who were killed by enemy action. But when she accepts a position caring for an elderly German woman in the small village of Windyedge, Scotland, it hardly seems like a meaningful contribution. Still, the war feels closer than ever in Windyedge, where Ellen McEwen, a volunteer driver with the Royal Air Force, and Jamie Beaufort-Stuart, a flight leader for the 648 Squadron, are facing a barrage of unbreakable code and enemy attacks they can't anticipate. Their paths converge when a German pilot lands in Windyedge under mysterious circumstances and plants a key that leads Louisa to an unparalleled discovery: an Enigma machine that translates German code. Louisa, Ellen, and Jamie must work together to unravel a puzzle that could turn the tide of the war--but doing so will put them directly in the cross-hairs of the enemy. Featuring beloved characters from Code Name Verity and The Pearl Thief, as well as a remarkable new voice, this brilliant, breathlessly plotted novel by award-winning author Elizabeth Wein is a must-read.

The highly anticipated twenty-first FBI thriller by #1 New York Times bestselling author Catherine Coulter presents Agents Savich and Sherlock with two baffling mysteries. Working with Agent Cam Wittier (Insidious) and New York-based former Special Forces agent Jack Cabot, they must race against the clock to catch an international criminal and solve the enigma of the man called John Doe. When Agent Dillon Savich saves Kara Moody from a seemingly crazy man, he doesn’t realize he will soon be facing a scientist who wants to live forever and is using “John Doe” to help him. But when the scientist, Lister Maddox, loses him, he ups the stakes and targets another to take his experiments to the next level. It’s a race against time literally as Savich and Sherlock rush to stop him and save both present and future victims of his experiments. In the meantime, Cam Wittier and Jack Cabot must track a violent criminal through the Daniel Boone National Forest. When he escapes through a daring rescue, the agents have to find out who set his escape in motion and how it all ties into the murder of Mia Prevost, the girlfriend of the president’s Chief of Staff’s only son, Saxton Hainny. It’s international intrigue at the highest levels and they know they have to succeed or national security is compromised. Featuring Coulter’s signature “breakneck plot and magnetic characters” (Huffington Post), Enigma is a shocking thrill ride that will keep the you turning pages as fast as you can.

Introducing the Collins Modern Classics, a series featuring some of the most significant books of recent times, books that shed light on the human experience - classics which will endure for generations to come.