Planning the invasion of Normandy, the Allies knew that decoding the communications of the Nazi high command was imperative for its success. But standing in their way was an encryption machine they called Tunny (British English for “tuna”), which was vastly more difficult to crack than the infamous Enigma cipher.

In 1912, at the height of World War I, brilliant Shakespeare expert Elizebeth Smith went to work for an eccentric tycoon on his estate outside Chicago. The tycoon had close ties to the US government, and he soon asked Elizebeth to apply her language skills to an exciting new venture: code breaking. There she met the man who would become her husband, groundbreaking cryptologist William Friedman. Though she and Friedman are in many ways the Adam and Eve of the NSA, Elizebeth's story, incredibly, has never been told.

It Worked for Me is filled with vivid experiences and lessons learned that have shaped the legendary career of the four-star general and former Secretary of State Colin Powell. At its heart are Powell's "Thirteen Rules" - such as "Get mad, then get over it" and "Share credit" - that introduce his principles for effective leadership: conviction, hard work, and, above all, respect for others. A natural storyteller, Powell offers warm and engaging parables with wise advice on succeeding in the workplace and beyond.

Recruited by the US Army and Navy from small towns and elite colleges, more than 10,000 women served as codebreakers during World War II. While their brothers and boyfriends took up arms, these women moved to Washington and learned the meticulous work of codebreaking. Their efforts shortened the war, saved countless lives, and gave them access to careers previously denied to them.

Scientology, created in 1954 by a prolific sci-fi writer named L. Ron Hubbard, claims to be the world's fastest-growing religion, with millions of members around the world and huge financial holdings. Its celebrity believers keep its profile high, and its teams of "volunteer ministers" offer aid at disaster sites such as Haiti and the World Trade Center. But Scientology is also a notably closed faith, harassing journalists and others through litigation and intimidation, even infiltrating the highest levels of government to further its goals.

In this widely acclaimed memoir ("Riveting, moving...a wonderful book" The New York Times Book Review), Katharine Graham tells her story—one that is extraordinary both for the events it encompasses and for the courage, candor, and dignity of its telling.

At six years old, Terry was told by his headteacher that he would never amount to anything. He spent the rest of his life proving that teacher wrong. At 66, Terry had lived a life full of achievements: becoming one of the UK's best-selling writers, winning the Carnegie Medal and being awarded a knighthood for services to literature. Following his untimely death from Alzheimer's disease, the mantle of completing Terry's memoir was passed to Rob Wilkins, his former assistant, friend and now head of the author's literary estate.

On the hellish battlefields of World War II Europe, Major Dick Winters led his Easy Company - the now-legendary Band of Brothers - from the confusion and chaos of the D-day invasion to the final capture of Hitler's Eagle's Nest. But Winters' story didn't end there; it was only the beginning. He was a quiet, reluctant hero whose modesty and strength drew the admiration of not only his men but millions worldwide.

John Forbes Nash, Jr., a prodigy and legend by the age of 30, dazzled the mathematical world by solving a series of deep problems deemed "impossible" by other mathematicians. But at the height of his fame, Nash suffered a catastrophic mental breakdown and began a harrowing descent into insanity, resigning his post at MIT, slipping into a series of bizarre delusions, and eventually becoming a dreamy, ghostlike figure at Princeton, scrawling numerological messages on blackboards.

Here is the gritty, powerful story of Thomas Sowell's life-long education in the school of hard knocks, a journey that took him from Harlem to the Marines, the Ivy League, and a career as a controversial writer, teacher, and economist in government and private industry. It is also the story of the dramatically changing times in which this personal odyssey took place.

Astounding is the landmark account of the extraordinary partnership between four controversial writers - John W. Campbell, Isaac Asimov, Robert A. Heinlein, and L. Ron Hubbard - who set off a revolution in science fiction and forever changed our world.

Revealed for the first time in Racing for the Bomb, Groves played a crucial and decisive role in the planning, timing, and targeting of the Hiroshima and Nagasaki missions. Norris offers new insights into the complex and controversial questions surrounding the decision to drop the bomb in Japan and Groves' actions during World War II, which had a lasting imprint on the nuclear age and the Cold War that followed.

No cloistered don, this tall, married Englishman was a freethinking intellectual, who practiced nudism and was devoted to a quirky brand of folk dancing. In 1937, while working as a biochemist at Cambridge University, he instantly fell in love with a visiting Chinese student, with whom he began a lifelong affair. He soon became fascinated with China, and his mistress swiftly persuaded the ever-enthusiastic Needham to travel to her home country, where he embarked on a series of extraordinary expeditions to the farthest frontiers of this ancient empire.

The intimate story of a unique marriage spanning the heights of British glamour and power that descends into infidelity, manipulation, and disaster through the heart of the 20th century.

Few scientists have enthralled more people than Richard P. Feynman, the Nobel Prize winner and best-selling author of Six Easy Pieces and Surely You're Joking, Mr. Feynman! Beloved for his engaging character and zest for life, he is an American icon. In this selection of letters, Feynman's towering genius and singular personality shine like dazzling stars.