Robert Cade
Joanne Mattern
Robert Cade
Age Rating, Reading Level & Content Guide
Gatorade Inventor
by Joanne Mattern
The text is written at a 2nd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is gentle with no concerning themes.
We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.
About This Book
Did you know one drink changed the game for football players everywhere? Robert Cade invented Gatorade to help athletes stay strong and cool during tough games. But his journey from a curious kid in Texas to a famous inventor is even more amazing!
Themes
Quick Assessment
This biography introduces young readers to Robert Cade, the inventor of Gatorade, through simple, engaging text suitable for early readers aged 5 to 8. The book covers Cade’s childhood, education, career milestones, and retirement, providing a well-rounded view of his life. It includes helpful features like a glossary, timeline, and photos to support comprehension and learning, making it a suitable nonfiction choice for young children interested in inventors and sports.
Why we rated Robert Cade 7C
Robert Cade is written at a Level 2 reading level across 35 pages. Strong independent readers around grade 3.0 can typically handle this book on their own; with parent or teacher support, Robert Cade works for readers up to grade 4.0.
We rate Robert Cade as 7C ("Clear") because the content sits in the "Gentle" range — no conflict beyond everyday childhood experiences. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly gentle; no single dimension stands out as a concern.
No specific content flags were raised by community reviewers, which is consistent with the gentle intensity score.
Thematically, Robert Cade explores inventors, biography, business, and sports — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 5-8 range — the maturity and attention span match the story's pacing.
- ✓ Patient readers who enjoy slower, character-driven stories.
- ✓ Kids drawn to stories about inventors, biography, business.
- ✓ Curious kids who prefer real-world topics over made-up stories.
Maybe not for
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
7C — ClearNo conflict beyond everyday childhood experiences. Safe for sensitive readers.
Was our "Gentle" content intensity rating accurate for this book?
Reading Insights
Hook Factor
2/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
Similar Books
Based on content and theme analysis
Robert Cade :
Joanne Mattern
Robert Cade :
Joanne Mattern
Great Inventors
Alex Fabrizio
Great Inventors
Alex Fabrizio
Inventors (Inventors , So6)
Abdo Publishing
Inventors (Inventors , So6)
Abdo Publishing
Drinking Fountain Joe
Justin Matott
Drinking Fountain Joe
Justin Matott
Thomas Edison
Caryn Jenner
Thomas Edison
Caryn Jenner
Inventors
David Marshall
Inventors
David Marshall
Details
Book Length
- ISBN
- 9781629688879
- Pages
- 35
- Publisher
- ABDO
- Published
- 2015
- Type
- Nonfiction