Scholastic
Scholastic has several selections for Struggling Readers:
Fast Track A new resource for struggling, reluctant, and ESL students in grades 4–8 who need extra support to improve literacy achievement. Fast Track books engage students and help increase reading ability and confidence by hitting both interest level and reading level.
Second Chance Reading offers struggling students a second chance to master basic reading, writing, and speaking strategies using books written just for them.
Greatest Sports Heroes and Way of the Warrior both offer Grade Levels 4–7 with an Interest Level in 7–12. High Interest Books have something to offer every reluctant reader. Every 48-page book is carefully written to satisfy a young teenager’s voracious appetite for knowledge.
Torque: Action Sports, Cool Rides, Motorcycles: These books offer Reading Levels Grades 2-3 with and Interest Level of Grade 3-7. They feature engaging layouts that inclkude diagrams and labels and vivid photographs. Text features also include  table of contents, glossary, websites and an index.
24/7 Behind the Headlines: Target is for Reading Levels 5-7 Grades 7-12. This series includes a journalistic design that uses bold graphics and dramatic photography. Ithe-moment reporting allows readers to experience historic events as they unfold. These books have a highly visual font matter includes facts and figures about hte topic as well as introductory information presented. Each section opens with a photographic spread that includes a brief introduction to the themse addresses in that section. Back matter includes a timeline, glossary, resources section and index. Includes themes such as forensics, spies, and medical mysteries.
24/7 Behind the Scenes Reading Level Grade 5 – 7, Interest Level Grade 8-12.  This series contains background information to build content area knowledge. Chapter summaries and questions recap thr evidence. Reading cues such as: prompts call outs, highlighted words, diagrams, and primary sources. This series contains field guides and tools.
Sprint Reading : Scholastic Sprint Reading engages striving readers with motivating books aligned to your core curriculum in specific Lexile® ranges. This effective reading intervention program uses paperbacks and Students Workbooks to teach the strategies readers need to further scaffold decoding, fluency, vocabulary, and comprehension. The Teacher’s Guide provides educators with comprehensive, practical plans for teaching essential skills for each title.
http://teacher.scholastic.com/products/sprint_reading/index.htm