Osborne, Mary Pope

dolphins at daybreak - New York : Scholastic, 1997 - 67 p. : ill. - The magic tree house series ; #9 .

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.

0590706357


Marine animals--Juvenile fiction
Submarines (Ships)--Juvenile fiction
Riddles--Juvenile fiction
Magic--Juvenile fiction
Tree houses--Juvenile fiction
Dopohins--Juvenile fiction