内容简介
Unit 1 The King of the Spiders
Unit 2 Koalas
Unit 3 The Exciting Streets of Barcelona
Unit 4 The Hidden Treasures of Egypt
Unit 5 Dinosaur Builder
Unit 6 Snake Detective
Unit 7 Canyaking Adventure
Unit 8 Space Walk
Unit 9 The Amazing Human Body
Unit 10 Saving the Amazon Together
Glossary