Books by L. Ron Hubbard
4 books by L. Ron Hubbard have full reviews here; all 7 L. Ron Hubbard titles and editions in our catalog are rated for reading level and content intensity.
L. Ron Hubbard has 4 books with full reviews on HootRated, spanning Grade 4–7 reading level. The typical L. Ron Hubbard book lands at Grade 6, with average content intensity 3/5. Most L. Ron Hubbard titles fall within the Stories from the Golden Age series.
Reading level alone doesn't tell parents whether an L. Ron Hubbard book is right for a child. 25% of L. Ron Hubbard's reviewed titles are at Gentle or Mild intensity — appropriate for sensitive readers or kids reading ahead of their emotional readiness. 25% 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.
All frontiers are jealous
L. Ron Hubbard
All frontiers are jealous
L. Ron Hubbard
Dead Men Kill
L. Ron Hubbard
Dead Men Kill
L. Ron Hubbard
Hostage to death
L. Ron Hubbard
Hostage to death
L. Ron Hubbard
The Iron Duke
L. Ron Hubbard
The Iron Duke
L. Ron Hubbard
More L. Ron Hubbard titles in our catalog
Each is rated too; choosing one opens it in search.
- A Matter Of Matter Level 6-7 · Mild
- Fear Level 6-7 · Very Intense
- Learning how to learn Level 6 · Gentle
Questions about L. Ron Hubbard's books
- What reading level are L. Ron Hubbard's books?
- L. Ron Hubbard's reviewed books range from Grade 4–7, with the typical book at Grade 6. Each title has a separate content intensity score so parents can choose by emotional readiness, not just text difficulty.
- Are L. Ron Hubbard's books appropriate for sensitive readers?
- 1 of L. Ron Hubbard's 4 reviewed books (25%) is at Gentle or Mild intensity — safe for sensitive readers. 1 (25%) is rated Intense or Very Intense. Average intensity: 3/5.
- What age are L. Ron Hubbard's books appropriate for?
- L. Ron Hubbard's reviewed books target Ages 13+. HootRated rates each book on reading level and content intensity — match both dimensions, not just one.