Taylor Zajonc Books in Order

Salvage diver Jonah Blackwell accepts a search mission off Somalia in exchange for release from a secret prison. Missing researchers, pirates, and a destructive marine plague draw him into conflict with a powerful industrialist and force him to assemble an unconventional crew.

Jonah Blackwell and his submarine crew rescue refugees from North Korea during a severe Pacific winter. Pursuit by the Japanese fleet draws them into an investigation involving a quarantined submarine base and a conspiracy connected to lost wartime technology.

The Oliver family is summoned to rescue sailors trapped inside a sunken battleship. Because his father and uncle cannot fit through the wreck's narrow spaces, Samuel must descend into the dangerous vessel and attempt to guide the men out.

Samuel Oliver's father takes the family to explore an ancient cave, continuing a tradition from his own childhood. An icy climb and a frigid swim stand between Samuel and the discoveries waiting within this challenging underground adventure.

The Oliver family arrives to repair a steamship damaged by a German submarine. When its attackers return and capture Samuel's father and uncle, the boy must find a way to challenge them and rescue his family aboard the stricken vessel.

Historian Milo Luttrell joins an expedition into a vast Tanzanian cave system, hoping to explain an explorer's disappearance. A surface storm strands the team underground, where dwindling supplies and unsettling changes among the cavers turn discovery into a struggle for survival.

After locating a sunken treasure ship, the Oliver family attempts to recover its riches. A giant squid attacks, forcing Samuel to confront the creature while wondering why it is defending a fortune it cannot possibly need.