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.

Frank and Joe Hardy have been invited to take part in a conservation mission by a marine biologist at the Bayport Aquarium. The boys get to go on an all-expenses-paid trip to the lush and beautiful Florida Keys to help save sharks! But the trip’s purpose is suddenly sidelined when a paddle boarder goes missing, and rumors start that the disappearance is the result of a shark attack. After spending so much time learning about the local shark population, the Hardy Boys aren’t buying the story.

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.

For anyone who loves sailing and adventure, Arthur Ransome's classic Swallows and Amazons series stands alone. Originally published over a half-century ago, the twelve books are still eagerly read by children and adults alike – by all those captivated by the world of adventure and imagination. Such longevity is not only due to Ransome’s unparalleled gift of storytelling, but also his championing of qualities such as independence and initiative; virtues that appeal to every generation, whether young or old.

Hal and Roger Hunt sink deep into danger when a specimen-collecting trip takes them into the lost world of the South Seas. But their deep-sea adventure has a hidden agenda – a top-secret mission for a colleague of their father whose scientific experiments in Pearl Lagoon could cost them their lives.