Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle. Morgan le Fay will make Jack and Annie masters of the tree house if only they can solve four riddles -- which will take four books, of course! Dolphins at Daybreak begins the third set of four books in this magical (and increasingly popular) series! Jack and Annie are off in the Magic...

A nineteenth-entury science fiction tale of an electric submarine, its eccentric captain, and undersea world, which anticipated many of the scientific achievements of the twentieth century. An American frigate tracks down a ship-sinking submarine commanded by the mysterious Captain Nemo.

"Mouse agents Bernie and Jarvis are back in this underwater adventure where they must work on a submarine to keep a powerful energy source out of the clutches of evil"--

"Pirate treasure? A top secret mission? A terribly rude monkey with personal boundary and hygiene issues? Two out of three of those things sound like a dream come true to the young, clumsy, and terribly unscientific Waldo “W.B.” Baron, when his clever inventor parents are hired to go on a secret treasure hunt. The Baron family dives into adventure with their steam-powered submarine, but they aren’t prepared for the complications that occur...