21st Century Skills Library: Full-Speed Sports Books in Order
21st Century Skills Library: Full-Speed Sports is a 2-book series by Tamra Orr for ages 9–12, at a grades 5–6 reading level, with gentle content (HootRated intensity 1/5).
- Books
- 2
- By publication date
- Content intensity
- Gentle
- HootRated 1/5
21st Century Skills Library: Full-Speed Sports Reading Order
Series numbers aren't available for most 21st Century Skills Library: Full-Speed Sports books, so they're listed by publication date (oldest first).
| # | Title | Reading Level | Ages | Content |
|---|---|---|---|---|
| 1 | The science of a fastball 2016 | Level 5-6 | 9-12 | Gentle |
| 2 | The science of a flip turn 2016 | Level 5-6 | 9-12 | Gentle |
Content Intensity Across the Series
ConsistentContent stays at a steady intensity level throughout the series.
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. 21st Century Skills Library: Full-Speed Sports (2 books by Tamra Orr) lands at a grades 5–6 reading level, with average content intensity 1/5. Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.
The reading-order table above lists every book with per-volume reading level, age and intensity ratings 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.
All 21st Century Skills Library: Full-Speed Sports Books
Series Like 21st Century Skills Library: Full-Speed Sports: What to Read Next
Similar reading level, content intensity and themes.
- 21st Century Skills Library: Cool Careers by Tamra Orr 5 books · Grades 5–7 · gentle content
- Mega Structures by Susan K. Mitchell 4 books · Grades 5–6 · gentle content
- PowerKids Press; Checkered Flag by Billie Brooklyn 3 books · Grades 6–7 · gentle content
- Sports Math (Rosen); PowerKids Press by Ian F. Mahaney 3 books · Grades 4–5 · gentle content
- Science Explorer: Follow the Clues by Tamra Orr 5 books · Grades 4–5 · gentle content
- Discovering Dinosaurs (Smart Apple Media) by Sandy Fritz 5 books · Grades 5–6 · gentle content
Questions about the 21st Century Skills Library: Full-Speed Sports series
- What reading level is the 21st Century Skills Library: Full-Speed Sports series?
- 21st Century Skills Library: Full-Speed Sports books are at a grades 5–6 reading level (average grade level 5.7), and HootRated recommends the series for ages 9–12. There are 2 books in the series.
- What order should I read the 21st Century Skills Library: Full-Speed Sports books?
- Series numbers aren't available for most 21st Century Skills Library: Full-Speed Sports books, so HootRated lists them by publication date: The science of a fastball (2016); The science of a flip turn (2016).
- What age is the 21st Century Skills Library: Full-Speed Sports series appropriate for?
- HootRated recommends 21st Century Skills Library: Full-Speed Sports for ages 9–12. Content is gentle (HootRated intensity 1/5). Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.