Magic Tree House summary Chapter 5 Jack and Annie came back to the tree house. That's because Triceratops was standing on the hill top. Jack looked up Triceratops and realized that Triceratops is plant- eating dinosaur. Annie wanted to go see the Triceratops. Jack didn't want to go but went there with Annie. He really wanted to take notes about dinosaur. Jack peeked out at the Triceratops. Annie walked to the Triceratops. Before they went to the Triceratops, Annie promised that she wouldn't talk to Dinosaur and pet it. But she broke promise.Annie suggested to look around some more. As Jack started, he picked up a gold medallion with a letter M. (A letter M was engraved on a medallion.) What does mean 'fancy'? A fancy M.- this sentence is in the book.