Summer of the Sea Serpent (Magic Tree House, No. 31)
(Magic Tree House: Merlin Missions #3)
written by Mary Pope Osborne with illustrations by Sal Murdocca

• Publication Date: March 22, 2011
• Genres: Children's, Historical Fantasy
• Paperback: 144 pages
• Publisher: Random House Books for Young Readers
• ISBN-10: 0375864911
• ISBN-13: 9780375864919