The Maze of Bones

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 the clues race is on, and young Amy and Dan must decide what's important: hunting clues or uncovering what REALLY happened to their parents.

Strom Warning

The end is near! Book 9 of the #1 NY Times Bestselling series.The shadow of a 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. Amy and Dan know the man in black has tried to kill them. They know he's a Madrigal, the most secretive and terrifying group hunting for the Clues. Amy and Dan have run hard and fast, but they can't escape the man following them. And now, in the wake of a terrible tragedy, he's ready to step out of the darkness for their final confrontation.

Vespers Rising

The Black Circle

A mysterious telegram sends Amy and Dan Cahill off to Russia, where they search for a treasure stolen by the Nazis, the truth about the end of the Romanov dynasty, and information about the death of their parents.

The Viper's Nest

The Emperor's Code

The Sword Thief

There's only one rule in the race to find 39 Clues hidden around the world: Trust no one. But when the hunt leads 14-year-old Amy Cahill and her younger brother, Dan, to Japan, their only chance to find the third Clue seems to lie with their unreliable uncle, Alistair Oh. Will they be foolish enough to make an alliance? With a Clue on the line, Amy and Dan might not have a choice. But in the Cahill family, trusting your relatives can get you killed.

Beyond the Grave

Bestselling author Jude Watson takes Amy and Dan on a thrill-packed ride for the 4th installment of The 39 Clues series.Betrayed by their cousins, abandoned by their uncle, and with only the slimmest hint to guide them, fourteen-year old Amy Cahill and her younger brother, Dan, rush off to Egypt on the hunt for 39 Clues that lead to a source of unimaginable power. But when they arrive, Amy and Dan get something completely unexpected - a message from their dead grandmother, Grace. Did Grace set out to help the two orphans . . . ore are Amy and Dan heading for the most devastating betrayal of them all?

In Too Deep

A hint from their parents' past puts Amy and Dan on the trail of secrets their grandmother Grace would NEVER have wanted them to know. Awful memories begin to crowd in on Amy, just as her enemies circle closer. How far would she go to protect Dan? How much of a Cahill is she prepared to be? Perhaps Grace was right--some secrets are better left buried.

Into the Gauntlet

Look Out For Turtles!

Describes the remarkable turtle, which can live almost anywhere, eat almost anything, range in size from tiny to gigantic, and live longer than any other animal.

Phantom Of The Subway

When he hears reports of a ghost haunting New Mouse City's subway tunnels, Geronimo sets out to investigate the story.

Schoolhouse Mystery

Grandpa Alden and the Alden children encounter danger, excitement, adventure, and mystery in a quiet island fishing village.

Thea Stilton And the Prince's Emerald

When the Thea Sister's friend Ashvin is in trouble, they rush to his aid in India! Ashvin has been working to take all the monkeys that live in the big city and bring them back to their natural jungle environment. But when the monkeys steal the Indian Prince's emerald, Ashvin is devastated. Someone must be behind this terrible monkeying around. Can the Thea sisters solve the mystery?

Greenish Eggs and Dinosaurs

When Zack bought a dinosaur egg at the flea market, he was given one warning: DO NOT put it in the microwave! I'll bet you can guess what happened next...

Valley Of The Giant Skeletons

Geronimo finds himself lost in the Gobi Desert, looking for a hidden treasure. So far, all he's found are sandstorms, camels, and giant dinosaur bones. How does he get himself into these situations?

How I Fixed the Year 1000 Problem

Forget about the Y2K problem! Zack's up to his ears in dragons and wizards when a computer glitch sends him hurtling back in time to the year 999--and a peculiar boys' school known as Dragon Slayers' Academy!

Cam Jansen and the Mystery of the U.f.o.

What wrongdoer is any match for Cam Jansen, the girl with the amazing photographic memory? Jennifer "Cam" (short for camera) Jansen and her friend Eric use her remarkable gift to track down clues and solve thrilling and puzzling mysteries.

Who Was Walt Disney?

Highlights the life and accomplishments of the famous cartoonist who created Mickey Mouse, Snow White and the Seven Dwarfs, and Bambi and was the owner of Walt Disney Studios and Disneyland.

Little Miss Trouble and the Mermaid

Little Miss Trouble just loves causing trouble for all the Mr. Men! But when she causes too much trouble at the beach one day, a mermaid decides to teach her a lesson.

Wheel of Misfortune

Wiglaf, Erica, and Angus are representing DSA in the All-Schools Brain-Power Tournament! But what on Earth are they going to do about their know-it-all captain Bragwort"?

August Acrobat

In the eighth book of the Calendar Mysteries an early chapter book mystery series featuring the younger siblings of the A to Z Mysteries detectives Bradley, Brian, Nate and Lucy go to trapeze school, but their high-flying fun is interrupted by another mystery to solve.