The Boxcar Children are spending the summer mountain climbing in New England, where they encounter a dangerous rockslide, a cave, and a secret treasure, among other adventures!

"Twelve-year-old Crow has lived her entire life on a tiny, isolated piece of the starkly beautiful Elizabeth Islands in Massachusetts. Abandoned and set adrift in a small boat when she was just hours old, Crow's only companions are Osh, the man who rescued and raised her, and Miss Maggie, their fierce and affectionate neighbor across the sandbar. Crow has always been curious about the world around her, but it isn't until the night a mysterious fire...

"The roguish, yet charming Captain Jack Sparrow's ... idyllic pirate life capsizes after his nemesis, the wily Captain Barbossa ..., steals his ship the Black Pearl, and later attacks the town of Port Royal, kidnapping the governor's daughter, Elizabeth. ... In a gallant attempt to rescue her and recapture the Black Pearl, Elizabeth's childhood friend Will Turner ... joins forces with Jack. What Will doesn't know is that a cursed treasure has doomed...

Follows the further adventures and misadventures of Hiccup Horrendous Haddock the Third as his Viking training continues and his father leads a stranger and the Hairy Hooligans to the Isle of Skullions in search of a pirate's treasure.