What reading level is the Discover the Life of an Inventor series?

The Discover the Life of an Inventor series by Don McLeese is at a Grades 3.4–4.1 reading level (average Grade 3.8). Intended for Lower Grades (Ages 5–8). There are 7 books in the series.

What order should I read the Discover the Life of an Inventor books?

The Discover the Life of an Inventor series has 7 books in order: 1. Alexander Graham Bell (Discover the Life of An Inventor), 2. Hedy Lamarr (Discover the Life of An Inventor), 3. Jonas Salk, 4. Louis Daguerre, 5. Marie Curie, and 2 more.

What age is the Discover the Life of an Inventor series appropriate for?

The Discover the Life of an Inventor series is recommended for Lower Grades (Ages 5–8). The average content intensity is 1/5.

Discover the Life of an Inventor Books in Order

7 books by Don McLeese. Reading level: Grades 3.4–4.1. Lower Grades (Ages 5–8).

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. Discover the Life of an Inventor (7 books by Don McLeese) lands at reading level Grades 3.4–4.1, 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.

Books

Grades 3.4–4.1

Reading Level

1/5

Avg. Intensity

Lower Grades

Content Intensity Across the Series

Consistent

Content stays at a steady intensity level throughout the series.

First book Latest book

Discover the Life of an Inventor Reading Order

#	Title	Reading Level	Content
1	Alexander Graham Bell (Discover the Life of An Inventor) Ann Gaines	Level 3-4	Gentle
2	Hedy Lamarr (Discover the Life of An Inventor) Ann Gaines	Level 3-4	Gentle
3	Jonas Salk Don McLeese	Level 4-5	Gentle
4	Louis Daguerre Don McLeese	Level 4	Gentle
5	Marie Curie Don McLeese	Level 4-5	Gentle
6	Orville and Wilbur Wright (Gaines, Ann. Inventors Discovery Library.) Ann Gaines	Level 3-4	Gentle
7	Robert Fulton Don McLeese	Level 3-4	Gentle

Level 3-4

Questions about the Discover the Life of an Inventor series

What reading level is the Discover the Life of an Inventor series?: The Discover the Life of an Inventor series by Don McLeese is at a Grades 3.4–4.1 reading level (average Grade 3.8). Intended for Lower Grades (Ages 5–8). There are 7 books in the series.
What order should I read the Discover the Life of an Inventor books?: The reading-order table above lists all 7 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 Discover the Life of an Inventor series appropriate for?: The Discover the Life of an Inventor series is recommended for Lower Grades (Ages 5–8). 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.