Question 1

What reading level are Robert C. O'Brien's books?

Accepted Answer

Robert C. O'Brien's books range from Grades 3–6 reading level. HootRated has 3 books by Robert C. O'Brien, each rated for content intensity and age appropriateness.

Question 2

Are Robert C. O'Brien's books appropriate for my child?

Accepted Answer

Robert C. O'Brien's books are recommended for Ages 9–12 and Ages 5–8 and Ages 12+. On HootRated, every book has a content intensity rating (1–5) and content flags so parents can find age-appropriate titles.

Books by Robert C. O'Brien

Mrs. Frisby and the Rats of Nimh/Newbery Summer

Z for Zachariah [Unabridged] [Audiobook]

Z for Zachariah