Unbreakable is the edge-of-your seat true story of the codebreakers, spies, and navy fighters who helped defeat the Nazis and turned the tide of World War II—perfect for fans of The Imitation Game, Alan Gratz, and Jennifer Nielsen. "A thrilling adventure of intrigue and daring worthy of the best James Bond stories." —James Ponti, New York Times best-selling author of City Spies As the Germans waged a brutal war across Europe, details of every Nazi plan, every attack, every troop movement were sent over radio. But to the Allied troops listening in—and they were always listening—the crucial messages sounded like gibberish. The communications were encoded with a powerful cipher, making all information utterly inaccessible . . . unless you could unlock the key to the secret code behind the German’s powerful Enigma machine. Complete with more than sixty historical photos, Unbreakable tells the true story of one of the most dangerous war-time codebreaking efforts ever. While Hitler marched his troops across newly conquered lands and deadly “wolfpacks” of German U-Boats prowled the open seas, a team of codebreakers, spies, and navy men raced against the clock to uncover the secrets that hid German messages in plain sight. Victory—or defeat—in World War II would hinge on their desperate attempts to crack the code. Perfect for fans of Bomb, The Boys Who Challenged Hitler, and The Nazi Hunters.

Equal parts adventure and STEM, Rebecca E. F. Barone's Race to the Bottom of the Earth: Surviving Antarctica is a thrilling nonfiction book for young readers chronicling two treacherous, groundbreaking expeditions to the South Pole—and includes eye-catching photos of the Antarctic landscape. "Riveting! I raced to the end of this book!" —Alan Gratz, New York Times bestselling author of Refugee In 1910, Captain Robert Scott prepared his crew for a trip that no one had ever completed: a journey to the South Pole. He vowed to get there any way he could, even if it meant looking death in the eye. Then, not long before he set out, another intrepid explorer, Roald Amundsen, set his sights on the same goal. Suddenly two teams were vying to be the first to make history—what was to be an expedition had become a perilous race. In 2018, Captain Louis Rudd readied himself for a similarly grueling task: the first unaided, unsupported solo crossing of treacherous Antarctica. But little did he know that athlete Colin O’Brady was training for the same trek—and he was determined to beat Louis to the finish line. For fans of Michael Tougias’ The Finest Hours, this gripping account of two history-making moments of exploration and competition is perfect for budding scientists, survivalists, and thrill seekers. "A nail-biting tale of adventure, tragedy, and superhuman determination—and also a luminous example of how our present lives are shaped by our immeasurably deep connection to our past." —Elizabeth Wein, #1 New York Times bestselling author of Code Name Verity "A huge treat for adventure story fans—not one, but two incredible races across the fearsome and fascinating Antarctic!" —Steve Sheinkin, New York Times bestselling author of Bomb and Undefeated

Mountain of Fire is the narrative nonfiction account of the violent volcanic eruption of Mount St. Helens on May 18, 1980, the story of the people who died, those who survived, and the heroes who fought to raise an alarm. For weeks, the ground around Mount St. Helens shuddered like a dynamite keg ready to explode. There were legends of previous eruptions: violent fire, treacherous floods, and heat that had scoured the area. But the shaking and swelling was unlike any volcanic activity ever seen before. Day and night, scientists tried to piece together the mountain’s clues—yet nothing could prepare them for the destruction to come. The long-dormant volcano seethed away, boiling rock far below the surface. Washington’s governor, Dixie Lee Ray, understood the despair that would follow from people being forced from their homes. How and when should she give orders to evacuate the area? And would that be enough to save the people from the eruption of Mount St. Helens? Includes a QR code for a website featuring eye-catching photos of the eruption.

Tells the story of one of the most dangerous war-time code-breaking efforts ever. As Hitler marched his troops across conquered lands and deadly 'wolfpacks' of German U-Boats prowled the open seas, victory-or defeat-for the Allies hinged on their desperate attempts to crack the code. When a group of Allied spies and codebreakers cracked the Nazis's infamous cypher, it allowed them to read secret military messages and turn the tide of World War II.

The thrilling true story of Agent A12, the earliest enemy of the Nazis, and the first spy to crack Hitler’s deadliest secret code: the framework of the Final Solution. In public life, Dr. Winthrop Bell was a Harvard philosophy professor and wealthy businessman. As an MI6 spy—known as secret agent A12—in Berlin in 1919, he evaded gunfire and shook off pursuers to break open the emerging Nazi conspiracy. His reports, the first warning of the Nazi plot for World War II, went directly to the man known as C, the mysterious founder of MI6, as well as to various prime ministers. But a powerful fascist politician quietly worked to suppress his alerts. Nevertheless, Dr. Bell's intelligence sabotaged the Nazis, in ways only now revealed in Cracking the Nazi Code. As World War II approached, Bell became a spy once again. In 1939, he was the first to crack Hitler’s deadliest secret code: Germany’s plan for the Holocaust. At that time, the führer was a popular politician who said he wanted peace. Could anyone believe Bell’s shocking warning? Fighting an epic intelligence war from Eastern Europe and Russia to France, Canada, and finally Washington, DC, agent A12 was a real-life 007, waging a single-handed struggle against fascists bent on destroying the Western world. Without Bell’s astounding courage, the Nazis just might have won the war.

The thrilling true story of Agent A12, the earliest enemy of the Nazis, and the first spy to crack Hitler’s deadliest secret code: the framework of the Final Solution In public life, Dr. Winthrop Bell of Halifax was a Harvard philosophy professor and wealthy businessman. As MI6 secret agent A12, he evaded gunfire and shook off pursuers to break open the emerging Nazi conspiracy in 1919 Berlin. His reports, the first warning of the Nazi plot for WWII, went directly to the man known as C, the mysterious founder of MI6, and to prime ministers. But a powerful fascist politician quietly worked to suppress his alerts. Nevertheless, his intelligence sabotaged the Nazis in ways only now revealed. Bell became a spy once again in the face of WWII. In 1939, he was the first to crack Hitler’s deadliest secret code: the Holocaust. At that time, the führer was a popular politician who said he wanted peace. Could anyone believe Bell’s shocking warning? Fighting an epic intelligence war from Ukraine, Russia and Poland to France, Germany, Canada and Washington, DC, A12 was the real-life 007, waging a single-handed fight against madmen bent on destroying the world. Without Bell’s astounding courage, the Nazis might just have won the war. Informed by recently declassified documents, Cracking the Nazi Code is the first book to illuminate the astounding exploits of Winthrop Bell, Agent A12.

Decode the story of Elizebeth Friedman, the cryptologist who took down gangsters and Nazi spies In this picture book biography, young readers will learn all about Elizebeth Friedman (1892–1980), a brilliant American code breaker who smashed Nazi spy rings, took down gangsters, and created the CIA's first cryptology unit. Her story came to light when her secret papers were finally declassified in 2015. From thwarting notorious rumrunners with only paper and pencil to “counter-spying into the minds and activities of” Nazis, Elizebeth held a pivotal role in the early days of US cryptology. No code was too challenging for her to crack, and Elizebeth’s work undoubtedly saved thousands of lives. Extensive back matter includes explanations of codes and ciphers, further information on cryptology, a bibliography, a timeline of Elizebeth’s life, plus secret messages for young readers to decode.