{{Infobox image=Image:Serpent.jpg Row 1 title=Book # Book #=32 }} e Sea Serpent is the thirty-first installment to the Magic Tree House series and the third of the Merlin Missions. During this mission, Jack and Annie meet Teddy's friend Kathleen who later helps them regularly on adventures and is a possible love interest for Jack.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.