The thrilling conclusion to 39 Clues Part VI: Doublecross. A Cahill family member from the past is bent on revenge! CHECKMATEThirteen-year-old Dan Cahill and his older sister, Amy, are running out of time. An exiled Cahill known as the Outcast has already re-created three of history's worst disasters, and he's saved the worst for last. If Dan and Amy can't find and stop the Outcast fast, he will initiate a full-scale nuclear meltdown.But as Dan and Amy race around the world, they discover something horrifying. The Outcast's disasters are only a smoke screen to cover up his true plan, a diabolical revenge on the family that betrayed him. Soon Amy andDan will have to confront a hard truth: Sometimes the only way to save the world is to sacrifice everything you love.

Follow the Leader At only seventeen years old, Ian Kabra is head of the Cahills, the most powerful family in the world. He has presidents on speed dial, generals at his beck and call. Ian knows he's an ideal leader and the only man enough for the job. There's just one small problem: He's already messed up big-time. A Cahill from the past calling himself the Outcast has risen to challenge Ian with an impossible test. The Outcast has re-created four of history's greatest disasters and dared Ian to stop him. If Ian and his allies can't decipher the Outcast's hints in time, innocent people will die. Ian's only chance to beat the Outcast is to track down his former allies, Amy and Dan. But finding Amy and Dan will demand from Ian an impossible sacrifice . . .

Never turn your back on the Cahills . . . The most powerful family history has ever known returns with a vengeance in The 39 Clues: Doublecross! The Cahills are the world's most powerful family, but their strength is being tested. A sinister man calling himself The Outcast has targeted the family and set them an impossible test. He's recreating four of history's worst disasters and challenging the young Cahills to find and stop the tragedies before it's too late. Now, with one disaster behind them, siblings Dan and Amy Cahill and their friends have just days to discover what the Outcast's next move will be.Their frantic search seems to be pointing toward a terrifying air disaster, the explosion of the Hindenburg airship. But no one travels by airship anymore -- what do the Outcast's cryptic messages mean? The young Cahills must split up and take to the skies to try to find the answer . . . before their whole world comes crashing down.

International bestseller David Baldacci pens the stunning conclusion to Cahills vs. Vespers! It started with a kidnapping. A shadowy organization known only as the Vespers snatched seven members of the Cahill family and demanded a series of bizarre ransoms from around the world. Thirteen-year-old Dan Cahill and his older sister, Amy, began a global treasure hunt, determined to bring back whatever Vesper One needed, so long as it kept the hostages safe.But when they deliver the last ransom, Amy and Dan discover Vesper One's terrifying endgame. The objects he demanded are vital pieces in a Vesper plot that will harm millions of innocent people. Now the two siblings and their friends are in an all-out sprint to stop Vesper One . . . before the whole world goes BOOM.

“The powerful origin story of one of Yellowstone’s greatest and most famous wolves.” —Washington Post “[The Rise of Wolf 8] is a goldmine for information on all aspects of wolf behavior and clearly shows they are clever, smart, and emotional beings.” —Marc Bekoff, Psychology Today Yellowstone National Park was once home to an abundance of wild wolves—but park rangers killed the last of their kind in the 1920s. Decades later, the rangers brought them back, with the first wolves arriving from Canada in 1995. This is the incredible true story of one of those wolves. Wolf 8 struggles at first—he is smaller than the other pups, and often bullied—but soon he bonds with an alpha female whose mate was shot. An unusually young alpha male, barely a teenager in human years, Wolf 8 rises to the occasion, hunting skillfully, and even defending his family from the wolf who killed his father. But soon he faces a new opponent: his adopted son, who mates with a violent alpha female. Can Wolf 8 protect his valley without harming his protégé? Authored by a renowned wolf researcher and gifted storyteller, The Rise of Wolf 8 marks the beginning of The Alpha Wolves of Yellowstone series, which will transform our view of wolves forever.

The second of seven brand new 39 Clues stories, leading up to one explosive reveal. Think you know what happened at Grace Cahill's funeral? Think again. This top secret report reveals what REALLY occurred on that fateful day. Follow Ian and Natalie Kabra as they travel to Attleboro and discuss their strategy. Discover what the Holts were doing before they started the fire. And learn shocking information about a special guest none of the Cahills knew anything about . . .

Overweight and non-athletic, twelve-year-old Hale may have been born and raised to be a spy for the Sub Rosa Society but it seems he is unlikely to become a Field Agent until his parents are captured by the evil League and Hale sets out on a solo mission to save them.

A high-ranking scientist has been kidnapped, and a secret British intelligence agency has just recruited Deighton’s iconic unnamed protagonist—later christened Harry Palmer—to find out why. His search begins in a grimy Soho club and brings him to the other side of the world. When he ends up amongst the Soviets in Beirut, what seemed a straightforward mission turns into something far more sinister. With its sardonic, cool, working-class hero, Len Deighton’s sensational debut and first bestseller The IPCRESS File broke the mold of thriller writing and became the defining novel of 1960s London.

Guardians of the 39 Clues, Dan Cahill and his sister Amy discover that the serum is missing and must race against time to get it back before catastrophe strikes

EYE OF THE STORM Thirteen-year-old Dan Cahill and his older sister, Amy, know that a disaster is about to strike the world. They know they are the only ones who can stop it, and they know they may already be too late. The person behind the disaster is their own relative, a man who calls himself the Outcast. He's already recreated two of history's worst disasters, and is only biding his time before he strikes again.The clues that the Cahill kids have gathered suggest that the Outcast's latest disaster is modeled after Hurricane Katrina. But what city will he target? And how can anyone conjure up a hurricane? Dan and Amy have no answers and very little time to find them. All they can count on is a tidal wave of trouble coming, and only them to stand in its way.