Teach reading & science simultaneously with this super set of exciting books that correlate with guided reading levels A through D. Student favorite topics include bats, frogs, butterflies, penguins, whales, wolves, farm animals, rain-forest creatures & every critter in between. Teaching guide features tips to enrich your guided reading practice & skill-building reproducibles. Plastic storage unit durably stores books. Books are designed for children in preschool & first-grade.