What reading level is Into the lion's den?

Into the lion's den by Linda Fairstein is at a Level 4-5 reading level (Lexile 740L). Recommended for Middle Grades readers (Ages 9-12).

What age is Into the lion's den appropriate for?

Into the lion's den is recommended for Ages 9-12. HootRating: 9LE (Light — Emotional).

What genre is Into the lion's den?

Into the lion's den is fiction — Juvenile Fiction.

Does Into the lion's den have any content warnings?

Into the lion's den has a HootRating of 9LE (Light — Emotional). No specific content flags noted. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is Into the lion's den?

Into the lion's den by Linda Fairstein is 312 pages.

Reviewed by HootRated editorial · Last updated September 7, 2026

Into the lion's den

Linda Fairstein

Into the lion's den

Age Rating, Reading Level & Content Guide

by Linda Fairstein

Reading Level 4-5 9LE Ages 9-12 Balanced Read

The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.

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About This Book

Devlin Quick races through the towering stacks of the New York Public Library, heart pounding as he spots the thief sneaking away with a precious stolen map page. Every second counts, but will Devlin catch the culprit before they disappear into the city? The chase is just beginning.

Themes

Mystery AdventureJusticeFriendship

Quick Assessment

This middle-grade mystery follows twelve-year-old Devlin Quick as he tries to solve a theft at the New York Public Library. Suitable for ages 9-12, the story features themes of justice and adventure without intense violence or mature content. It encourages problem-solving and critical thinking in an engaging detective story format.

Why we rated Into the lion's den 9LE

Into the lion's den is written at a Level 4-5 reading level with a Lexile measure of 740L across 312 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Into the lion's den works for readers up to grade 6.5.

We rate Into the lion's den as 9LE ("Light — Emotional") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.

No specific content flags were raised by community reviewers, which is consistent with the mild intensity score.

Thematically, Into the lion's den explores mystery, adventure, justice, and friendship — these threads give the book room to mean different things to different readers.

Good fit for

✓ Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
✓ Kids drawn to stories about mystery, adventure, justice.