# Under the Surface

**Author:** Diana Urban
**Grade range:** Grades 7–12
**Age range:** 13–18
**First published:** 2024
**Genre:** Mystery
**ISBN-13:** `9780593625101`
**ISBN-10:** `0593625102`
**Canonical URL:** https://readinglist.school/book/under-the-surface
**License:** [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) — please credit ReadingList.school when citing.

## About this book

An epic survival-thriller in which four teenagers become lost in the Paris catacombs, where the dark hides far more than they feared. From Diana Urban; a 2025-2026 Colorado Blue Spruce Young Adult Book Award nominee (grades 7-12).

## Themes

- survival
- mystery
- friendship

## Where this book is assigned

### Colorado Blue Spruce Young Adult Book Award

- **recommended** · 7th grade · Colorado — [source: Colorado Blue Spruce Young Adult Book Award 2025-2026 Nominee List (Grades 7-12)](https://coloradobluespruceaward.partnersinliteracy.org/2025-2026-book-nominations-talks/)
- **recommended** · 8th grade · Colorado — [source: Colorado Blue Spruce Young Adult Book Award 2025-2026 Nominee List (Grades 7-12)](https://coloradobluespruceaward.partnersinliteracy.org/2025-2026-book-nominations-talks/)
- **recommended** · 9th grade · Colorado — [source: Colorado Blue Spruce Young Adult Book Award 2025-2026 Nominee List (Grades 7-12)](https://coloradobluespruceaward.partnersinliteracy.org/2025-2026-book-nominations-talks/)
- **recommended** · 10th grade · Colorado — [source: Colorado Blue Spruce Young Adult Book Award 2025-2026 Nominee List (Grades 7-12)](https://coloradobluespruceaward.partnersinliteracy.org/2025-2026-book-nominations-talks/)
- **recommended** · 11th grade · Colorado — [source: Colorado Blue Spruce Young Adult Book Award 2025-2026 Nominee List (Grades 7-12)](https://coloradobluespruceaward.partnersinliteracy.org/2025-2026-book-nominations-talks/)
- **recommended** · 12th grade · Colorado — [source: Colorado Blue Spruce Young Adult Book Award 2025-2026 Nominee List (Grades 7-12)](https://coloradobluespruceaward.partnersinliteracy.org/2025-2026-book-nominations-talks/)

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