When a thief steals the Applegate siblings' jewel collection from the Tower Mansion, the whole town of Bayport is left buzzing with questions. Who could have stolen it, and where could it be hidden? The Hardy boys are determined to find out, especially when their friend's father, Henry Robinson, is wrongly accused of the crime! From dusty old towers to secret secret passages, Frank and Joe will follow every clue they can to clear Mr. Robinson's name and reveal the true thief.

This bundle includes Peril at Granite Peak and The Battle of Bayport.

Something is not right in Bayport. After a series of unfortunate (yet harmless) pranks, it looks like Frank and Joe have caught their suspect surprisingly early. Their classmate, Seth Diller, has taken his love of filmmaking a bit too far. But shortly after Frank and Joe confront Seth, there are fresh outbreaks of Seth-like pranks. Except these aren't as harmless. After a bit of investigating, the Hardy Boys uncover evidence of the Red Arrow - a group that will stop at nothing to bring chaos and crime to Bayport's peaceful existence.

This bundle includes The Vanishing Game and Into Thin Air.

Three complete stories in one collection! Includes The Pumpkin Head Mystery, The Cupcake Caper, and The Clue in the Recycling Bin.

Three complete stories in one collection! Includes The Mystery of the Haunted Boxcar, The Clue in the Corn Maze, and The Ghost of the Chattering Bones.

This bundle includes The Great Detective Race, The Ghost at the Drive-In Movie, and The Mystery of the Traveling Tomatoes.

This bundle includes Secret of the Red Arrow and Mystery of the Phantom Heist.

This bundle includes Mystery of the Midnight Rider and Once upon a Thriller.

This bundle includes Curse of the Arctic Star and Strangers on a Train.

Dear Diary...Bess, George, and I are actually in Alaska! Everywhere you look, there are massive mountains and sparkling, deep-blue waters. We're on the maiden voyage of the Arctic Star luxury cruise ship, and my old friend, Becca Wright, the assistant cruise director, needs our help. She received threatening emails before even setting sail; then a bloody body turned up in the swimming pool.

Three complete stories in one collection! This volume includes The Mystery at Skeleton Point, The Tattletale Mystery, and The Comic Book Mystery.

This bundle includes Shadows at Predator Reef and Deception on the Set.

Three complete stories in one collection! Includes The Spy Game, The Dog-Gone Mystery, and The Vampire Mystery.

Three complete stories in one collection! Includes The Mystery of the Stolen Sword, The Basketball Mystery, and The Movie Star Mystery.

This bundle includes Secret of the Red Arrow and Mystery of the Phantom Heist.

When a thief steals the Applegate siblings' jewel collection from the Tower Mansion, the whole town of Bayport is left buzzing with questions. Who could have stolen it, and where could it be hidden? The Hardy boys are determined to find out, especially when their friend's father, Henry Robinson, is wrongly accused of the crime! From dusty old towers to secret secret passages, Frank and Joe will follow every clue they can to clear Mr. Robinson's name and reveal the true thief.

This bundle includes Peril at Granite Peak and The Battle of Bayport.

This bundle includes The Vanishing Game and Into Thin Air.

Something is not right in Bayport. After a series of unfortunate (yet harmless) pranks, it looks like Frank and Joe have caught their suspect surprisingly early. Their classmate, Seth Diller, has taken his love of filmmaking a bit too far. But shortly after Frank and Joe confront Seth, there are fresh outbreaks of Seth-like pranks. Except these aren't as harmless. After a bit of investigating, the Hardy Boys uncover evidence of the Red Arrow - a group that will stop at nothing to bring chaos and crime to Bayport's peaceful existence.

This bundle includes Curse of the Arctic Star and Strangers on a Train.

This bundle includes The Curse of the Ancient Emerald and Tunnel of Secrets.

This bundle includes Mystery of the Midnight Rider and Once upon a Thriller.

The last thing fourteen-year-old Jay Berry Lee expects to find while trekking through the Ozark Mountains of Oklahoma is a tree full of monkeys. But then Jay learns from his grandpa that the monkeys have escaped from a traveling circus, and there’s a big reward for the person who finds and returns them. His family could really use the money, so Jay sets off, determined to catch them. But by the end of the summer, Jay will have learned a lot more than he bargained for—and not just about monkeys.

Before Jake’s grandfather died, he was on the trail of a centuries-old mystery. And he has entrusted that mystery to Jake, leaving behind a set of hidden codes, riddles, maps, and other clues that lead Jake and his friends on a scavenger hunt into the heart of Colorado’s wild and rugged Rocky Mountain National Park.