Buy the complete series of all 3 sets of books (18 titles) and Save! This series is packed with high-interest information for students in grades 5 through 12. Each 48-page book contains no more than 2,000 words per book so as not to overwhelm struggling readers. Each page is supported by colourful images on every page to support comprehension. Also includes content vocabulary defined in context and repeated in a glossary at the back of each book. Each of the three sets are also available for purchase individually.