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.

Vespers Rising

One False Note

THIS JUST IN! Amy and Dan Cahill were spotted on a train, hot on the trail of one of 39 Clues hidden around the world. BUT WAIT! Police report a break-in at an elite hotel, and the suspects ALSO sound suspiciously like Amy and Dan. UPDATE! Amy and Dan have been seen in a car ...no, in a speedboat chase ...and HOLD EVERYTHING! They're being chased by an angry mob?!? When there's a Clue on the line, anything can happen.

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

The Knights of the Kitchen Table

Three friends, Sam, Joe, and Fred travel through time having action-packed, outlandish adventures. The snappy dialogue and classic "boy" humor in this series of chapter books will engage the most reluctant readers.

Nate The Great And The Stolen Base

Getting all the facts, asking the right questions, and narrowing down the suspects, Nate the Great and his dog Sludge solve a variety of mysteries.

The Yellow House Mystery

This series tells the tale of the Alden children who begin their adventures by making a home in a boxcar. Their goal is to stay together, and in the process they find a grandfather.

The Sorcerer’s Shadow

All is not right in the forest realm of Trellis. Birds have left their nests and bears have abandoned their dens, as a mysterious magic threatens the natural order of the deep, dark woods. Together with a band of knights, Prince Lucas and Clara set out on an adventure that pits them against a dreaded sorcerer's shadow. There's only one problem: How can a shadow be defeated?

The 39-Story Treehouse

Having expanded their treehouse to an astonishing 39 stories, Andy and Terry describe the invention of their Once-Upon-a-Time machine, which they have designed to write and illustrate their stories for them.

Colossal Fossil

In the tenth A to Z Mysteries Super Edition, Dink, Josh, and Ruth Rose have a sleepover . . . with a Spinosaurus! It's sleepover night at a science museum in Boston. Dink, Josh, and Ruth Rose can't wait to settle their sleeping bags near the museum's colossal fossil--a giant Spinosaurus skeleton--and tour the exhibits long after closing time. But after they fall asleep, they wake to a terrible crash! Is the dinosaur fossil damaged? Or is there another big problem at the science museum? Help Dink, Josh, and Ruth Rose solve mysteries from A to Z!

Andrew Lost in the Garden

Ten-year-old Andrew invents a shrinking machine that allows him some unusual and instructive lessons in science from a unique vantage point.

Encyclopedia Brown Finds the Clues

In each book, fifth-grade detective "Encyclopedia" Leroy Brown solves ten mysteries. Solutions are found in the back of the book, challenging readers to practice their own skills as sleuths (and critical thinkers).

You're Aboard Spaceship Earth

Explains how life is sustained on Earth through the presence of water, food, and oxygen, and how the planet is different from a spacecraft because it can rejuvenate its supply of these critical resources.

Halfway to Perfect

Despite what Dyamonde and Free say, Damaria worries that she is getting fat, until a classmate's problem with diabetes causes her to change her thoughts about body image.

Tooth Trouble

Freddy finally has something cool for show-and-tell, but he needs to sneak it past his mom and dad, make a deal with his older sister, then sneak it into school in order to show it to the class. In the end, he learns a lesson about honesty.

Nate The Great And The Fishy Prize

Getting all the facts, asking the right questions, and narrowing down the suspects, Nate the Great and his dog Sludge solve a variety of mysteries.