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Supersonic Phonics Books in Order

Supersonic Phonics is a 3-book series by Robin Twiddy, Angela Mayers for ages 5–8, at a grades 3–4 reading level, with gentle content (HootRated intensity 1/5).

Books
3
By publication date
Reading level
Grades 3–4
Average grade level 3.6
Recommended ages
Ages 5–8
From HootRated age ratings
Content intensity
Gentle
HootRated 1/5

Supersonic Phonics Reading Order

Series numbers aren't available for most Supersonic Phonics books, so they're listed by publication date (oldest first).

# Title Reading Level Ages Content
1 The Little Painter of Sabana Grande
2014 · Patricia M. Markun
Level 3-4 5-8 Gentle
2 The Cat That Grew and Grew
2022
Level 3-4 5-8 Gentle
3 The Thief Hunt
2023 · Robin Twiddy
Level 3-4 5-8 Gentle

Content Intensity Across the Series

Consistent

Content stays at a steady intensity level throughout the series.

1
2
3
First book Latest book

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. Supersonic Phonics (3 books by Robin Twiddy, Angela Mayers) lands at a grades 3–4 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 Supersonic Phonics Books

The Little Painter of Sabana Grande

Patricia M. Markun

Cover of The Little Painter of Sabana Grande

The Little Painter of Sabana Grande

Patricia M. Markun

Level 3-4 Gentle

The Cat That Grew and Grew

Robin Twiddy, Angela Mayers

Cover of The Cat That Grew and Grew

The Cat That Grew and Grew

Robin Twiddy, Angela Mayers

Level 3-4

The Thief Hunt

Robin Twiddy

Cover of The Thief Hunt

The Thief Hunt

Robin Twiddy

Level 3-4

Similar reading level, content intensity and themes.

Questions about the Supersonic Phonics series

What reading level is the Supersonic Phonics series?
Supersonic Phonics books are at a grades 3–4 reading level (average grade level 3.6), and HootRated recommends the series for ages 5–8. There are 3 books in the series.
What order should I read the Supersonic Phonics books?
Series numbers aren't available for most Supersonic Phonics books, so HootRated lists them by publication date: The Little Painter of Sabana Grande (2014); The Cat That Grew and Grew (2022); The Thief Hunt (2023).
What age is the Supersonic Phonics series appropriate for?
HootRated recommends Supersonic Phonics for ages 5–8. 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.