Saddleback's Tween STEM Collections pair Hi-Lo fiction and nonfiction titles for grades 6 to 8 with ties to science, technology, engineering, and math, helping striving readers build literacy skills while exploring STEM topics and thinking critically. Set 1 and Set 2 aren't split by reading level; they cover roughly the same range, so choose the set whose specific titles best fit your classroom, or add both to double your title variety without repeating a book. Each set is also available with a Hi-Lo Comprehension Strategies Guide add-on for structured lesson support, or on its own for independent and classroom-library reading.
