Billy and Sheena go with their Uncle, Dr. Deep, to search for treasure and are pursued by pirates who have been dead for two hundred years, and when Billy and Sheena return to land and visit Horrorland they encounter their worse fears.

"In the beginning, Byx's original quest was to discover if there were more of her kind, or if she was destined to become an endling--the last dairne alive. She did indeed find more dairnes, and along the way she also created allies among other creatures in her world, including humans, felivets, raptidons, and wobbyks. But Byx and her new friends soon learned that it wasn't just dairnes in jeopardy of extinction, but that everyone was at risk. With...

"Mabel Jones finds herself aboard the Feroshus Maggot--a ship crewed by the strangest bunch of pirates you'd (never) want to meet. She then has to find pieces of an X-shaped puzzle that in her hands could be her ticket home, but in the hands of Captain Split, they'd give him the power to assemble a pirate militia to take over London!"-- Provided by publisher. "Mabel Jones finds herself aboard the Feroshus Maggot--a ship crewed by the strangest bunch...

With just one more good deed to do to complete her Quest of Kindness and gain admission to knight school, Princess Pulverizer, accompanied by pals Dribble and Lucas, tries to rescue a mermaid held captive on a pirate ship.

Every full moon, a mysterious ship is seen off the coast of Dull-on-Sea. Then, the next day, gold and jewelry are missing from homes, shops, and museums all over town. Matilda needs the Jolley-Rogers' help to investigate. Can Matilda and Jim Lad retrieve the stolen booty from the mysterious ship before the moon fades? Or will they end up stuck on board with a crew of ghostly pirates forever?

Pirate pig: On Butterfly Island, sailer Stout Sam and his deckhand Pip must rescue their treasure-sniffing pig from nasty pirate Barracuda Bill. Ruffleclaw: An earth monster decides to move in with a human family.