Twelve-year-old Alexa and her companions unwittingly lead Abaddon, now in the form of an enormous, horrible sea monster, to the secret community known as the Five Stone Pillars when they go to bring the people living there home.

Tor, Engle, and Melda must stop a band of cursed pirates from taking over their home.

A "choose your own story" graphic novel. In a small medieval coastal town, the residents live in fear of a giant sea creature, the Leviathan, who attacks anyone who lies. Your mission: discover the secrets and defeat the creature before it's too late! How you go about it depends on the choices you make.

A child on a sofa imagines it turning into a succession of ships, culminating in an encounter with a sea monster.

A mysterious old pirate lures a group of rowdy sailors to an island with buried treasure, but there is a surprise awaiting them when they get there.

"Vanessa discovers another beast, cadborosaurus willsi, or Caddy for short, off the west coast of Canada"--

Attending Camp Lone Wolf, the Bailey School kids encounter strange grown-up counselors, including a director whose hairy appearance makes him seem like a werewolf and a swim teacher who may be the Loch Ness monster.

In 1930, on the coast of Scotland, eight-year-old Kirstie finds a large egg which hatches into an unusual sea creature, and as he grows her family must decide what to do with him.

"Pip, a young boy who can speak to fish, and his sister Kinchen set off on a great adventure, joined by twins with magical powers, refugees fleeing post-war Vietnam, and some helpful sea monsters"--