01236cam a2200349 4500 135317250 TxAuBib 20130423120000.0 990824t19981997||||||||||||||||||||eng|u 9780590706353 0590706357 (OCoLC)42216703 TxAuBib Osborne, Mary Pope. Dolphins at daybreak / by Mary Pope Osborne ; illustrated by Sal Murdocca. New York : Scholastic, 1998. ©1997. 67 p. : ill. ; 20 cm. Magic tree house series ; 9 Grades 3-4. PAPERBACK. 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. 20130423. Tree houses Juvenile fiction. Riddles Juvenile fiction. Submarines (Ships) Juvenile fiction. Marine animals Juvenile fiction. Magic Juvenile fiction. Murdocca, Sal, ill. Magic tree house series ; 9. TXMOO