Pebble Plus; Under the Sea (Capstone) Books in Order
Pebble Plus; Under the Sea (Capstone) is a 6-book series by Carol K. Lindeen for ages 5–8, at a grades 1–2 reading level, with gentle to intense content (HootRated intensity 1–4 out of 5).
- Books
- 6
- By publication date
- Content intensity
- Gentle to intense
- HootRated 1–4 out of 5 · avg 1.5
Pebble Plus; Under the Sea (Capstone) Reading Order
Series numbers aren't available for most Pebble Plus; Under the Sea (Capstone) books, so they're listed by publication date (oldest first).
| # | Title | Reading Level | Ages | Content |
|---|---|---|---|---|
| 1 | Clown Fish 2004 | Level 1-2 | 5-8 | Gentle |
| 2 | Jellyfish 2004 | Level 2-3 | 5-8 | Intense |
| 3 | Sharks 2004 | Level 1-2 | 5-8 | Gentle |
| 4 | Corals 2005 | Level 2 | 5-8 | Gentle |
| 5 | Octopuses 2005 | Level 1-2 | 5-8 | Gentle |
| 6 | Sea horses 2005 | Level 1-2 | 5-8 | Gentle |
Content Intensity Across the Series
VariesContent intensity ranges from Gentle to Intense across 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. Pebble Plus; Under the Sea (Capstone) (6 books by Carol K. Lindeen) lands at a grades 1–2 reading level, with average content intensity 1.5/5. Intensity varies from book to book, so check individual ratings in the list above.
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 Pebble Plus; Under the Sea (Capstone) Books
Clown Fish
Carol K. Lindeen
Clown Fish
Carol K. Lindeen
Jellyfish
Carol K. Lindeen
Jellyfish
Carol K. Lindeen
Sharks
Carol K. Lindeen
Sharks
Carol K. Lindeen
Corals
Carol K. Lindeen
Corals
Carol K. Lindeen
Octopuses
Carol K. Lindeen
Octopuses
Carol K. Lindeen
Sea horses
Carol K. Lindeen
Sea horses
Carol K. Lindeen
Series Like Pebble Plus; Under the Sea (Capstone): What to Read Next
Similar reading level, content intensity and themes.
- Pebble Plus; Living in a Biome by Carol K. Lindeen 7 books · Grades 1–2 · gentle content
- Readers for Writers-Early by Luana K. Mitten 6 books · Grades 1–3 · gentle to very intense content
- Blastoff! Readers; World of Insects (Bellwether) by Emily K. Green 3 books · Grades 1–2 · gentle content
- Bookworms; Creepy Crawlers (Cavendish Square) by Jack K. Patterson 3 books · Grades 1–2 · gentle content
- Welcome Books by Jennifer S. Burke 4 books · Grades 1–2 · gentle content
- Little Hands; Building Blocks by Rachel Matthews 3 books · Grades 1–2 · gentle content
Questions about the Pebble Plus; Under the Sea (Capstone) series
- What reading level is the Pebble Plus; Under the Sea (Capstone) series?
- Pebble Plus; Under the Sea (Capstone) books are at a grades 1–2 reading level (average grade level 1.8), and HootRated recommends the series for ages 5–8. There are 6 books in the series.
- What order should I read the Pebble Plus; Under the Sea (Capstone) books?
- Series numbers aren't available for most Pebble Plus; Under the Sea (Capstone) books, so HootRated lists them by publication date: Clown Fish (2004); Jellyfish (2004); Sharks (2004); Corals (2005); Octopuses (2005); and 1 more.
- What age is the Pebble Plus; Under the Sea (Capstone) series appropriate for?
- HootRated recommends Pebble Plus; Under the Sea (Capstone) for ages 5–8. Content is gentle to intense (HootRated intensity 1–4 out of 5). Intensity varies from book to book, so check individual ratings in the list above.