A fun and familiar topic, Animals I See at the Zoo/Animales que veo en el zoologico contains simple, bilingual text, and a strong photo-text match, which combine to make this series a perfect introduction to reading. The series will appeal to ELLs and other readers who enjoy learning about the features and habits of animals they see at the zoo. Full-page photographs complement the text throughout. Tigers/Los tigres focuses on this endangered animal that is the largest of the big cats.