The Spanish Sight Word Reader Social Studies Single-Copy Set includes 1 copy each of 16 science-themed titles. Multiple Award-Winning Series! A collection of nonfiction rebus titles for first-time readers, Level AA. These gorgeous and engaging nonfiction texts introduce new readers to 49 of the most essential high-frequency words, teaching sight words and standards-based Science, Math, and Social Studies content at the same time. Grades PreK-K.