Zoos are amazing places to see and learn about the many native and exotic of animals that inhabit this world. Some animals are plentiful while others are threatened or in danger of extinction. Zookeepers not only feed and care for these animals, they may also be helping to conserve and protect whole species through breeding and "head start" programs. Follow the extraordinary duties of these unusual animal helpers in this behind-the-scenes photographic journal.This nonfiction picture book with a cuddle factor includes a 4-page For Creative Mindssection in the back of the book and a 82-page cross-curricular Teaching Activity Guideonline. Animal Helpers is vetted by experts and designed to encourage parental engagement. Its extensive back matter helps teachers with time-saving lesson ideas, provides extensions for science, math, and social studies units, and uses inquiry-based learning to help build critical thinking skills in young readers. The Spanish translation supports ELL and dual-language programs. The enhanced ebook reads aloud in both English and Spanish with word highlighting and audio speed control to promote oral language skills, fluency, pronunciation, text engagement, and reading comprehension.