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Extreme Machines (Rosen/PowerKids); PowerKids Press Books in Order

5 books by Ian F. Mahaney. Reading level: Grades 5.6–6. 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. Extreme Machines (Rosen/PowerKids); PowerKids Press (5 books by Ian F. Mahaney) lands at reading level Grades 5.6–6, with average content intensity 1/5. 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.

5
Books
Grades 5.6–6
Reading Level
1/5
Avg. Intensity
MG
Middle Grades

Content Intensity Across the Series

Consistent

Content stays at a steady intensity level throughout the series.

1
2
3
4
5
First book Latest book

Extreme Machines (Rosen/PowerKids); PowerKids Press Reading Order

# Title Reading Level Content
1 Extreme Aircraft
Ian F. Mahaney
Level 5-6 Gentle
2 Extreme off-Road Vehicles
Ian F. Mahaney
Level 5-6 Gentle
3 Extreme Snow Vehicles
Ian F. Mahaney
Level 5-6 Gentle
4 Extreme Unmanned Vehicles
Ian F. Mahaney
Level 6 Gentle
5 Extreme Watercraft
Ian F. Mahaney
Level 5-6 Gentle

Questions about the Extreme Machines (Rosen/PowerKids); PowerKids Press series

What reading level is the Extreme Machines (Rosen/PowerKids); PowerKids Press series?
The Extreme Machines (Rosen/PowerKids); PowerKids Press series by Ian F. Mahaney is at a Grades 5.6–6 reading level (average Grade 5.7). Intended for Middle Grades (Ages 9–12). There are 5 books in the series.
What order should I read the Extreme Machines (Rosen/PowerKids); PowerKids Press books?
The reading-order table above lists all 5 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 Extreme Machines (Rosen/PowerKids); PowerKids Press series appropriate for?
The Extreme Machines (Rosen/PowerKids); PowerKids Press series is recommended for Middle Grades (Ages 9–12). The average content intensity is 1/5. 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.