Wartime Spies Books in Order
6 books by Michael E. Goodman. Reading level: Grades 7.3–8.1. Middle Grades (Ages 9–12).
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. Wartime Spies (6 books by Michael E. Goodman) lands at reading level Grades 7.3–8.1, with average content intensity 2/5. Intensity stays consistent across the series — a kid who can handle the first book can generally handle the rest.
The reading-order table below lists every book with per-volume reading level and intensity badges 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.
Content Intensity Across the Series
ConsistentContent stays at a steady intensity level throughout the series.
Wartime Spies Reading Order
| # | Title | Reading Level | Content |
|---|---|---|---|
| 1 | Civil War spies Michael E. Goodman | Level 7-8 | Mild |
| 2 | Cold War spies Michael E. Goodman | Level 8-9 | Mild |
| 3 | Modern spies Michael E. Goodman | Level 7-8 | Mild |
| 4 | Revolutionary War spies Michael E. Goodman | Level 7-8 | Mild |
| 5 | World War I spies Michael Goodman | Level 7-8 | Mild |
| 6 | World War II spies Michael E. Goodman | Level 7-8 | Mild |
All Wartime Spies Books
Civil War spies
Michael E. Goodman
Civil War spies
Michael E. Goodman
Cold War spies
Michael E. Goodman
Cold War spies
Michael E. Goodman
Modern spies
Michael E. Goodman
Modern spies
Michael E. Goodman
Revolutionary War spies
Michael E. Goodman
Revolutionary War spies
Michael E. Goodman
World War I spies
Michael Goodman
World War I spies
Michael Goodman
World War II spies
Michael E. Goodman
World War II spies
Michael E. Goodman
Questions about the Wartime Spies series
- What reading level is the Wartime Spies series?
- The Wartime Spies series by Michael E. Goodman is at a Grades 7.3–8.1 reading level (average Grade 7.6). Intended for Middle Grades (Ages 9–12). There are 6 books in the series.
- What order should I read the Wartime Spies books?
- The reading-order table above lists all 6 books with per-volume reading level and intensity ratings. Start with book 1 and read in publication order unless the table indicates a different recommended order for newer readers.
- What age is the Wartime Spies series appropriate for?
- The Wartime Spies series is recommended for Middle Grades (Ages 9–12). The average content intensity is 2/5. Check the intensity trajectory above to see whether content gets heavier across the series — if it does, sensitive readers may want to stop earlier in the run.