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

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 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

Andrew Lost in the Deep

Still trying to save the giant squid from Soggy Bob, ten-year-old Andrew, his cousin Judy, and Thudd the robot nearly meet disaster at the Challenger Deep, the deepest place in the ocean.

Mayor Hubble Is in Trouble!

Election day is just around the corner, and guess who's running for student council? A.J. and Andrea! Mayor Hubble is going to teach the students all of the ins and outs of politics, and every vote counts. Who's going to win? Who's going to lose? And who's going to kiss a baby? Ugh, disgusting!

Andrew Lost in the Kitchen

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

Mr. Cooper Is Super!

A.J. and the gang at Ella Mentry School are in for a super surprise when a new teacher, Mr. Cooper, take over their third grade class.

Miss Tracy Is Spacey!

Miss Universe is coming to Ella mentry School. Her real name is Miss Tracy, and she's a retired scientist who will teach the students about planets and their solar system. But what happens when A.J. has to be Uranus in the school play? Things are about to get out-of-this-world weird!

Space

Jack and Annie's very own guide to the secrets of the universe.

The Cheese Experiment

New Mouse City was in a panic. A strange epidemic had broken out -- mice everywhere were covered in weird blue spots! Mouse Island's most famouse doctor immediately set to work with his team to try to find the cure... but someone was trying to stop him. Could I figure out who before I ended up blue myself?

Dinosaurs

Jack and Annie explain about all the different types of dinosaurs.

The Wishing Spell

Alex and Conner Bailey's world is about to change, in this fast-paced adventure that uniquely combines our modern day world with the enchanting realm of classic fairy tales. The Land of Stories tells the tale of twins Alex and Conner. Through the mysterious powers of a cherished book of stories, they leave their world behind and find themselves in a foreign land full of wonder and magic where they come face-to-face with fairy tale characters they grew up reading about.

Knight's Castle

Four cousins, Roger, Ann, Eliza, and Jack, have an extraordinary summer when they find themselves transported back to the days of Robin Hood and Ivanhoe.

Encyclopedia Brown Lends a Hand

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).

Who Was Genghis Khan?

Named Temujin at birth by his nomadic family in early Mongolia, the great Genghis Khan used his skill and cunning to create the Mongol Empire and conquer almost the entire continent of Asia. As ruler of the largest empire in human history, he was as respected as he was feared. Learn more about the man and the legend in Who Was Genghis Khan?