Great Brain Books in Order
Great Brain is an 8-book series by John Dennis Fitzgerald for ages 9–12, at a grades 5–6 reading level, with gentle to moderate content (HootRated intensity 1–3 out of 5).
- Books
- 8
- By publication date
- Content intensity
- Gentle to moderate
- HootRated 1–3 out of 5 · avg 1.8
Great Brain Reading Order
Series numbers aren't available for most Great Brain books, so they're listed by publication date (oldest first).
| # | Title | Reading Level | Ages | Content |
|---|---|---|---|---|
| 1 | The great brain 1967 | Level 5-6 | 9-12 | Mild |
| 2 | Me and my little brain 1978 | Level 5 | 9-12 | Moderate |
| 3 | More adventures of the great brain 1979 | Level 5-6 | 9-12 | Gentle |
| 4 | The Great Brain at the Academy 1984 | Level 5-6 | 9-12 | Mild |
| 5 | The Great Brain Reforms 1988 | Level 5-6 | 9-12 | Mild |
| 6 | The great brain is back 1995 | Level 5 | 9-12 | Gentle |
| 7 | The Great Brain Does it Again | Level 5 | 9-12 | Gentle |
| 8 | The return of the Great Brain | Level 5-6 | 9-12 | Mild |
Content Intensity Across the Series
VariesContent intensity ranges from Gentle to Moderate across the series.
Series books grow with readers — but that's also the trap. Most series start at one reading level and one content intensity and drift upward over the course of the run. Great Brain (8 books by John Dennis Fitzgerald) lands at a grades 5–6 reading level, with average content intensity 1.8/5. Intensity varies from book to book, so check individual ratings in the list above.
The reading-order table above lists every book with per-volume reading level, age and intensity ratings so you can spot any escalation before it catches your reader off guard. For a deeper dive into how we score text difficulty vs. emotional weight separately — and why series readers especially benefit from that split — see our methodology page.
All Great Brain Books
The great brain
John Dennis Fitzgerald
The great brain
John Dennis Fitzgerald
Me and my little brain
John Dennis Fitzgerald
Me and my little brain
John Dennis Fitzgerald
More adventures of the great brain
John Dennis Fitzgerald
More adventures of the great brain
John Dennis Fitzgerald
The Great Brain at the Academy
John Dennis Fitzgerald
The Great Brain at the Academy
John Dennis Fitzgerald
The Great Brain Reforms
John Dennis Fitzgerald
The Great Brain Reforms
John Dennis Fitzgerald
The great brain is back
John Dennis Fitzgerald
The great brain is back
John Dennis Fitzgerald
The Great Brain Does it Again
The Great Brain Does it Again
The return of the Great Brain
The return of the Great Brain
Series Like Great Brain: What to Read Next
Similar reading level, content intensity and themes.
- Humphrey Adventures by Betty G. Birney 10 books · Grades 3–4 · gentle content
- Baby-Sitters Club Mystery by Ann M. Martin 9 books · Grades 3–5 · gentle to mild content
- Sweet Valley Twins by Jamie Suzanne 4 books · Grades 3–4 · gentle to mild content
- Spy School by Stuart Gibbs 10 books · Grades 5–6 · mild to moderate content
- The Penderwicks by Jeanne Birdsall 5 books · Grade 5 · gentle to mild content
- Baby-Sitters Club by Ann M. Martin 36 books · Grades 3–5 · gentle to moderate content
Questions about the Great Brain series
- What reading level is the Great Brain series?
- Great Brain books are at a grades 5–6 reading level (average grade level 5.2), and HootRated recommends the series for ages 9–12. There are 8 books in the series.
- What order should I read the Great Brain books?
- Series numbers aren't available for most Great Brain books, so HootRated lists them by publication date: The great brain (1967); Me and my little brain (1978); More adventures of the great brain (1979); The Great Brain at the Academy (1984); The Great Brain Reforms (1988); and 3 more.
- What age is the Great Brain series appropriate for?
- HootRated recommends Great Brain for ages 9–12. Content is gentle to moderate (HootRated intensity 1–3 out of 5). Intensity varies from book to book, so check individual ratings in the list above.