Super little giant book of secret codes
Lambert, David
Super little giant book of secret codes
Age Rating, Reading Level & Content Guide
by Lambert, David
The text is written at a 6th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes.
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About This Book
Did you know that secret messages are hiding all around you, just waiting to be cracked? With symbols, dots, lines, and twisted letters, you can become a master codebreaker yourself—but that's only the beginning.
Quick Assessment
This book introduces children ages 9-12 to the fascinating world of cryptography and ciphers through fun, accessible explanations and activities. It encourages problem-solving and critical thinking while teaching the basics of creating and decoding secret messages. Suitable for middle-grade readers interested in puzzles and codes.
Why we rated Super little giant book of secret codes 11C
Super little giant book of secret codes is written at a Level 6 reading level across 287 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Super little giant book of secret codes works for readers up to grade 8.0.
We rate Super little giant book of secret codes as 11C ("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, Super little giant book of secret codes weaves together science & nature and adventure.
Good fit for
- ✓ Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
- ✓ Patient readers who enjoy slower, character-driven stories.
- ✓ Kids drawn to stories about science & nature, adventure.
- ✓ Curious kids who prefer real-world topics over made-up stories.
Maybe not for
- ! Readers whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
11C — 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
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Details
Book Length
- ISBN
- 9781402737398
- Pages
- 287
- Publisher
- Transaction Publishers
- Published
- 2007
- Type
- Nonfiction