Mosasaurus: Ruler of the Sea-a Smithsonian Prehistoric Pals Book (Smithsonian's Prehistoric Pals) by Karen Wagner buy used Used & Rare price $12.00 new from$7.95 shop with confidence SPECIAL SHIPPING CONSIDERATIONS FOR USED & RARE ITEMS. Please see the special considerations for shipping Used & Rare items, including extended delivery times, possible import duties & taxes. Delivered in 3-5 weeks Format: PAPERBACK Publisher: Soundprint Condition: The following ISBNs are associated with this title: ISBN - 10:1592497810 ISBN - 13:9781592497812 Seller Comments: 1592497810 New Unread Book in excellent Condition! STOCK PHOTOS MAY VARY FROM THE ACTUAL ITEM. ACTUAL PHOTOS AVAIL. UPON REQUEST. From the Publisher The prehistoric sea can be a dangerous place, even for an enormous creature like Mosasaurus. Will Mosasaurus make his way through the water safely and find himself a tasty snack? Kids are bound to love this book with its detailed illustrations and storyline that has been reviewed by paleontologists at the Smithsonian Institution for accuracy.