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...

Jules Verne's classic novel featuring Phileas Fogg, a wealthy gentleman who makes a bet that he can travel around the world in just eighty days; and includes a reading group guide.

"From the very first submarine in 1620 to the defense systems and weaponry used on modern submarines, this book uses diagrams, stories, and dramatic imagery to present a fascinating history of submarines and the technology used to operate them."--Provided by publisher.