5 - 6 years. Introduce new and wonderful books to your children with this TIME FOR KIDS® Grade K Readers Nonfiction Classroom Reading Collection. This book set covers topics such as early math, birthdays, weather, animals, destinations, fruits, plants, STEM, sorting, colors and more! Children will love reading about a new subject every day as they flip through the easy to read text with high quality images. Encourage your children to discuss their selected book with a partner. Have them identify vocabulary words they're unfamiliar with. Lexile: 0-BR. Guided Reading Level: A.