Books by John Scalzi
6 books by John Scalzi have full reviews here; all 7 John Scalzi titles and editions in our catalog are rated for reading level and content intensity.
John Scalzi has 6 books with full reviews on HootRated, spanning Grade 5–8 reading level. The typical John Scalzi book lands at Grade 7, with average content intensity 3/5. Most John Scalzi titles fall within the Old Man's War series.
Reading level alone doesn't tell parents whether a John Scalzi book is right for a child. None of John Scalzi's reviewed titles are at Gentle or Mild intensity. None 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.
The Ghost Brigades
John Scalzi
The Ghost Brigades
John Scalzi
The Last Colony
John Scalzi
The Last Colony
John Scalzi
The human division
John Scalzi
The human division
John Scalzi
Old Man’s War
John Scalzi
Old Man’s War
John Scalzi
The End of All Things
John Scalzi
The End of All Things
John Scalzi
Zoe’s Tale
John Scalzi
Zoe’s Tale
John Scalzi
More John Scalzi titles in our catalog
Each is rated too; choosing one opens it in search.
- Redshirts: A Novel with Three Codas Level 7 · Moderate
Questions about John Scalzi's books
- What reading level are John Scalzi's books?
- John Scalzi's reviewed books range from Grade 5–8, with the typical book at Grade 7. Each title has a separate content intensity score so parents can choose by emotional readiness, not just text difficulty.
- Are John Scalzi's books appropriate for sensitive readers?
- None of John Scalzi's 6 reviewed books are at Gentle or Mild intensity. None are rated Intense or Very Intense. Average intensity: 3/5.
- What age are John Scalzi's books appropriate for?
- John Scalzi's reviewed books target Ages 13+. HootRated rates each book on reading level and content intensity — match both dimensions, not just one.