Rocks and Minerals (ABDO); Core Library Books in Order
Rocks and Minerals (ABDO); Core Library is a 5-book series by Jenny Fretland VanVoorst for ages 9–12, at a grades 5–6 reading level, with gentle content (HootRated intensity 1/5).
- Books
- 5
- By publication date
- Content intensity
- Gentle
- HootRated 1/5
Rocks and Minerals (ABDO); Core Library Reading Order
Series numbers aren't available for most Rocks and Minerals (ABDO); Core Library books, so they're listed by publication date (oldest first).
| # | Title | Reading Level | Ages | Content |
|---|---|---|---|---|
| 1 | Fossils 2014 | Level 5-6 | 9-12 | Gentle |
| 2 | Gems 2014 | Level 6-7 | 9-12 | Gentle |
| 3 | Metamorphic Rocks (Rocks and Minerals) 2014 · Jennifer Swanson | Level 6-7 | 9-12 | Gentle |
| 4 | Igneous Rocks 2015 · Lisa Owings | Level 5-6 | 9-12 | Gentle |
| 5 | Soil 2015 · Rebecca Hirsch | 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. Rocks and Minerals (ABDO); Core Library (5 books by Jenny Fretland VanVoorst) 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 Rocks and Minerals (ABDO); Core Library Books
Fossils
Jenny Fretland VanVoorst
Fossils
Jenny Fretland VanVoorst
Gems
Jenny Fretland VanVoorst
Gems
Jenny Fretland VanVoorst
Metamorphic Rocks (Rocks and Minerals)
Jennifer Swanson
Metamorphic Rocks (Rocks and Minerals)
Jennifer Swanson
Igneous Rocks
Lisa Owings
Igneous Rocks
Lisa Owings
Soil
Rebecca Hirsch
Soil
Rebecca Hirsch
Series Like Rocks and Minerals (ABDO); Core Library: What to Read Next
Similar reading level, content intensity and themes.
- Extreme Machines (Rosen/PowerKids); PowerKids Press by Ian F. Mahaney 5 books · Grades 5–6 · gentle content
- Discovering Dinosaurs (Smart Apple Media) by Sandy Fritz 5 books · Grades 5–6 · gentle content
- Birdbooks by George K. Peck 7 books · Grades 5–6 · gentle content
- Insects and Spiders by Shane F. McEvey 5 books · Grades 5–6 · gentle content
- True Book: National Parks by Josh Gregory 6 books · Grades 5–6 · gentle content
- Let's Rock! (Crabree) by Molly Aloian 4 books · Grades 5–6 · gentle content
Questions about the Rocks and Minerals (ABDO); Core Library series
- What reading level is the Rocks and Minerals (ABDO); Core Library series?
- Rocks and Minerals (ABDO); Core Library books are at a grades 5–6 reading level (average grade level 5.8), and HootRated recommends the series for ages 9–12. There are 5 books in the series.
- What order should I read the Rocks and Minerals (ABDO); Core Library books?
- Series numbers aren't available for most Rocks and Minerals (ABDO); Core Library books, so HootRated lists them by publication date: Fossils (2014); Gems (2014); Metamorphic Rocks (Rocks and Minerals) (2014); Igneous Rocks (2015); Soil (2015).
- What age is the Rocks and Minerals (ABDO); Core Library series appropriate for?
- HootRated recommends Rocks and Minerals (ABDO); Core Library 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.