Reading Comprehension Book 3 includes 31 selections in the following 7 subject areas. A sample passage title is given for each subject area:

Social Studies—First Ladies
Science—Eclipses 
Philosophy, Logic, and Language—The Giving Trees
Combined Subjects—Amelia Earhart 
Math—Tree Rings Tell a Story 
Literature—A House Made From Trees 
The Arts—A Great Musician 

Grade 5