Detective brothers Frank and Joe investigate garden sabotage.

When the rodeo comes to Bayport, Joe and Frank catch the ranch hands trying to steal a prize horse. After the boys stop the theft, they're recruited to help drive the cattle back to the ranch. However, mysterious things continue to happen and the Hardy boys have to solve the mystery.

Bayport Elementary's detective brothers Frank and Joe Hardy are on the case when someone sabotages the hockey team's lucky charm right before the championship game

"When Joe hears that Nathan's wife is having a giant estate sale, he drags Frank with him. Who could pass up the opportunity to see inside their favorite author's home? Nathan's wife says she wants to get away as quickly as possible; strange things have been happening since their first night there and now her husband is gone and she's sure the house is haunted. But Nathan's assistant, Adam, is not so willing to blame it all on the supernatural. Valuable...

"An original Sherlock Holmes manuscript was stolen from the Bayport Museum and now pages keep showing up in Frank and Joe?s things: their lockers, menus, even the backseat of their car. It?s clear someone is out to frame them. But who could it be? The boys try their usual means of deduction, but everything leads to a dead end. They just keep finding unsuspecting people who were paid to hide the pages by a mysterious third party. Frank recognizes this...

When new team members are being kidnapped and threatened, Frank and Joe join the basketball team at the request of their principal to uncover the culprits.--

While at a comic book convention, the Hardy brothers and Frank's new girlfriend, Jones, meet up with her online friend, Harper, but when she disappears overnight, the brothers start looking into her life and uncovering her secrets.

The Hardy Boys must find the missing Aztec descendant and the valuable treasure that belongs to him.

Brothers Frank and Joe Hardy investigate strange occurrences during Bayport Zoo's annual Halloween party, Boo at the Zoo.

Frank and Joe Hardy are determined to stop a group of pranksters before their mean-spirited practical jokes and vandalism become more destructive and dangerous.