24 Hi-Lo Books for Striving Middle Grade and YA ReadersHi-Lo titles are high-interest stories written at a lower reading level for striving readers. These 24 books, in genres ranging from romance to horror, are sure to grip readers with relatable main characters and contemporary ­coming-of-age themes. 

Hi/Lo Fiction: A Scholarship Helps Writer Create Books For Struggling and Reluctant Readers - Highlights Foundation