1Jack jumped behind the magnolia tree.

2His heart was beating so fast he could hardly think.

3He peeked out at the giant monster. The horrible-looking creature was opening and closing his huge jaws. His teeth were as big as steak knives.

4Don’t panic. Think.

5Jack peered down at the valley.

6Good. The duck-billed dinosaurs were sticking close to their nests.

7Jack looked back at the Tyrannosaurus.

8Good. The monster still didn’t seem to know he was there.

9Don’t panic. Think. Think. Maybe there’s information in the book.

10Jack opened the dinosaur book. He found Tyrannosaurus rex. He read: Tyrannosaurus rex was the largest meat-eating land animal of all time. If it were alive today, it would eat a human in one bite.

11Great. The book was no help at all.

12Okay. He couldn’t hide on the other side of the hill. The Anatosauruses might stampede.

13Okay. He couldn’t run to the tree house. The Tyrannosaurus might run faster.

14Okay. Maybe he should just wait. Wait for the monster to leave.

15Jack peeked around the tree.

16The Tyrannosaurus had wandered closer to the hill.

17Something caught Jack’s eye. Annie was coming down the rope ladder!

18Was she nuts? What was she doing?

19Jack watched Annie hop off the ladder.

20She went straight to the Pteranodon. She was talking to him. She was flapping her arms. She pointed at Jack, at the sky, at the tree house.

21She was nuts!

22“Go! Go back up the tree!” Jack whispered. “Go!” Suddenly Jack heard a roar.

23The Tyrannosaurus rex was looking in his direction.

24Jack hit the ground.

25The Tyrannosaurus rex was coming toward the hill.

26Jack felt the ground shaking.

27Should he run? Crawl back into Dinosaur Valley? Climb the magnolia tree?

28Just then a giant shadow covered Jack. He looked up.

29The Pteranodon was gliding overhead. The giant creature sailed down toward the top of the hill.

30He was coming straight for Jack.