ATOS Book Levels 4.0–5.9 Rank Title, Author (ATOS Book Level, Interest Level)* 1 Diary of a Wimpy Kid: Cabin Fever, Jeff Kinney (5.8, MG) 2 The Hunger Games, Suzanne Collins (5.3, MG+) 3 Diary of a Wimpy Kid: The Ugly Truth, Jeff Kinney (5.5, MG) 4 Diary of a Wimpy Kid: Dog Days, Jeff Kinne ...