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!