Alternator Books; STEM Smackdown Books in Order

3 books by Susan E. Hamen. Reading level: Grades 5.7–6.2. Middle Grades (Ages 9–12).

3
Books
Grades 5.7–6.2
Reading Level
1.3/5
Avg. Intensity
MG
Middle Grades

Content Intensity Across the Series

Consistent

Content stays at a steady intensity level throughout the series.

1
2
3
First book Latest book

Alternator Books; STEM Smackdown Reading Order

# Title Reading Level Content
1 Who Invented the Light Bulb?
Susan E. Hamen
Level 5-6 Mild
2 Who Invented the Radio?
Susan E. Hamen
Level 6-7 Gentle
3 Who Invented the Telephone?
Susan E. Hamen
Level 6-7 Gentle