Books by Brooke Hartzog
3 books by Brooke Hartzog, rated for reading level and content intensity.
Brooke Hartzog has 3 rated books in HootRated's catalog spanning Grade 5 reading level. The typical Brooke Hartzog book lands at Grade 5, with average content intensity 1/5. Most Brooke Hartzog titles fall within the Dinosaurs and Their Discoverers series.
Reading level alone doesn't tell parents whether a Brooke Hartzog book is right for a child. 100% of Brooke Hartzog's rated titles are at Gentle or Mild intensity — appropriate for sensitive readers or kids reading ahead of their emotional readiness. 0% are rated Intense or Very Intense. The intensity badges below (green → red) help you match books to your child's emotional readiness, not just their reading ability. See our methodology for how we rate.
Iguanodon and Dr. Gideon Mantell
Brooke Hartzog
Iguanodon and Dr. Gideon Mantell
Brooke Hartzog
Ichthyosaurus and little Mary Anning
Brooke Hartzog
Ichthyosaurus and little Mary Anning
Brooke Hartzog
Tyrannosaurus rex and Barnum Brown
Brooke Hartzog
Tyrannosaurus rex and Barnum Brown
Brooke Hartzog
Questions about Brooke Hartzog's books
- What reading level are Brooke Hartzog's books?
- Brooke Hartzog's rated books range from Grade 5, with the typical book at Grade 5. Each title has a separate content intensity score so parents can choose by emotional readiness, not just text difficulty.
- Are Brooke Hartzog's books appropriate for sensitive readers?
- 3 of Brooke Hartzog's 3 rated books (100%) are at Gentle or Mild intensity — safe for sensitive readers. 0 (0%) are rated Intense or Very Intense. Average intensity: 1/5.
- What age are Brooke Hartzog's books appropriate for?
- Brooke Hartzog's rated books target Ages 9–12. HootRated rates each book on reading level and content intensity — match both dimensions, not just one.