Meet the funny and adorable river otter! Young readers will learn all aboutthese amazing animals. Through text features such as the vocabulary tree and thewrap-up activity, kids will be introduced to vocabulary in conceptgroups--helping them make connections between words and expand their understanding of the world.Meet the funny and adorable river otter! Young readers will learn all aboutthese amazing animals. Through text features such as the vocabulary tree and thewrap-up activity, kids will be introduced to vocabulary in conceptgroups--helping them make connections between words and expand their understanding of the world.