Clifford Riley: 15 books

The first of seven brand new 39 Clues stories, leading up to one explosive reveal. Time is running out for Grace Cahill as she struggles to make the most important choice of her life: a decision that will shape the future of the Cahill family . . . and the world at large. After spending centuries...

The third of seven brand new 39 Clues stories, leading up to one explosive reveal. The Vespers are looking for new recruits and have targeted a few candidates: the Cahill children on the hunt for The 39 Clues. Uncover the Vespers' chilling plan to monitor the Kabras, the Holts, Jonah, and the Starlings, and learn who they picked as the most promising Vesper . . . and future Cahill traitor.

A brand new adventure from the world of The 39 Clues! For 500 years, the Cahills have been the most powerful family in the world. For 500 years, they've protected the source of their power - the 39 Clues. And for 500 years, they've kept their secrets silent. Until now. This extraordinary stand-alone...

The fifth of seven brand new 39 Clues stories, leading up to one explosive reveal. Amy Cahill knows her family needs to be prepared for the next Vesper attack, so she organizes a training weekend at the brand new Cahill command center. However, Dan and the others would rather goof off than hone their...

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...

A brand new adventure from the world of The 39 Clues! After 500 years, the Cahill family's most dangerous secrets are about to be revealed. Read at your own risk . . . Young Harry Houdini's family is eager for a fresh start in America, but secrets from their past have followed them to New York. When...

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...

A brand new holiday adventure from the world of The 39 Clues! The year is 1914 and war is raging in Europe. Eager to win glory for the Lucian branch, sixteen-year-old Rupert Davenport (Ian Kabra's ancestor) sneaks off to France to join the fighting. But the reality of battle is unlike anything Rupert...

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...

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...

A brand new adventure from the world of The 39 Clues! After 500 years, the Cahill family's most dangerous secrets are about to be revealed. Read at your own risk . . . Fourteen-year-old Fiske Cahill thinks he's safe when he hides away on the world's first nuclear submarine . . . until he realizes there's a Vesper on board. Does he have what it takes to stand up to a ruthless enemy?

A brand new adventure from the world of The 39 Clues! After 500 years, the Cahill family's most dangerous secrets are about to be revealed. Read at your own risk . . . With the British marching on Washington under the command of a Vesper General, it's up to a young Madrigal in 1812 to save a treasure...

Three adventure stories from the Cahill vault, together for the first time! Read at your own risk. . . In 1814, redcoats burned the White House to the ground. In 1889, Harry Houdini discovered a trick that would save his life. In 1955, the U.S. launched the world's first nuclear submarine. And one...

This holiday, we are offering to you our own Christmas box - filled up to the top with the best Christmas novels, classics to read during holidays, magical Christmas tales, legends, most famous carols and the unique poetry of the giants of literature dedicated to this one and only holiday: The Gift...