A million dollars, or a clue? Police report a break-in at an elite hotel, and the suspects sound suspiciously like Amy and Dan. There's a car and speedboat chase and an angry mob! When there's a Clue on the line, anything can happen.

"A strange telegram lures fourteen-year-old Amy Cahill and her younger brother, Dan, deep into Russia and away from the only trustworthy adult they know. Signed with the initials NRR, the telegram launches a race to uncover a treasure stolen by the Nazis and the truth behind the murder of the last Russian royal family. All too soon, the treasure hunt starts to smell like a Lucian trap. But the bait might just be irresistible--what will Amy and Dan...

Minutes before she died Grace Cahill changed her will, leaving her descendants an impossible decision: "You have a choice - one million dollars or a clue." Grace is the last matriarch of the Cahills, the world's most powerful family. Everyone from Napoleon to Houdini is related to the Cahills, yet the source of the family power is lost. 39 clues hidden around the world will reveal the family's secret, but no one has been able to assemble them. Now...

A complete guide to the Cahills revealing each hidden fact, concealed strategy, top agent, secret base, and scandal of the Clue hunt

The shadow of the man in black has followed fourteen-year-old Amy Cahill and her younger brother Dan on their worldwide search for 39 Clues that lead to a great power. The man has tried to kill them and he is a Madrigal, as were their parents. And now the man is ready to step out of the darkness for their final confrontation.

The most dangerous secret in Amy and Dan's past is unveiled in Book 7 of the #1 New York Times bestselling series. The hunt for 39 hidden Clues that lead to an unimaginable power have taken a heavy toll on fourteen-year-old Amy Cahill and her younger brother, Dan. They've just seen a woman die. They're wanted by the Indonesian police. They're trapped on an island with a man who knows too much about the death of their parents. And a tropical storm...

The fourth of seven brand new 39 Clues stories, leading up to one explosive reveal. Ian Kabra has an embarrassing secret. It's not that he once accidentally ate at Burger King. It's not that he still has his childhood teddy bear, Mr. Buttons. It's that he can't stop thinking about a certain grubby American orphan. But just when he's about to take action, a dangerous person from his past stages a dramatic midnight break-in, forcing Ian to accept that...

The last of seven brand new 39 Clues stories, with an explosive secret revealed! The holidays can be hard for any family, but they're particularly tough for the Cahills. Amy Cahill is exhausted from her training. Dan can't forget the tragedies he witnessed on the Clue hunt. Ian and Natalie Kabra are trying to enjoy the London festivities, but it's hard without their parents. Even superstar Jonah Wizard is having trouble getting into the holiday spirit....

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...

The sixth of seven brand new 39 Clues stories, leading up to one explosive reveal. Dan Cahill loves hanging out with his new friend, Atticus Rosenbloom, a child prodigy whose genius IQ doesn't stop him from playing video games or practicing ninja moves. It's a relief to get to pretend to be a normal kid for once, and not worry about finding Clues or looking out for Vespers. But when Atticus's house is attacked by strange intruders, Dan has to rely...