These word pairs are all different. But they have one thing in common. Each is a pair of words that have completely different meanings! Do you know the opposite of fast? How about the opposite of big? With this book you can become an expert!A harpy eagle is fast. A sloth is slow. A howler monkey is noisy. A rainbow boa is quiet. How many opposites do you know? With this book, you can become an expert!ABOUT THE SERIES: Kids love to be the experts! Now they can feel like real pros with this exciting nonfiction series for beginning readers. Kids will be hooked on the thrilling real-world topics and big, bright photos. Each book features simple sentences and sight words that children can practice reading. Then, with support, kids can dig deeper into the extra facts, Q&As, and fun challenges.Fans of this series will be eager to become real experts!