What reading level is The Mystery of the Spider's Clue?

The Mystery of the Spider's Clue by Gertrude Chandler Warner is at a Level 3-4 reading level (Lexile 560L). Recommended for Lower Grades readers (Ages 5-8).

What age is The Mystery of the Spider's Clue appropriate for?

The Mystery of the Spider's Clue is recommended for Ages 5-8. HootRating: 8C (Clear).

What genre is The Mystery of the Spider's Clue?

The Mystery of the Spider's Clue is fiction — Juvenile Fiction. Part of the Boxcar Children series.

Does The Mystery of the Spider's Clue have any content warnings?

The Mystery of the Spider's Clue has a HootRating of 8C (Clear). 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 The Mystery of the Spider's Clue?

The Mystery of the Spider's Clue by Gertrude Chandler Warner is 134 pages (approximately 17,824 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

The Mystery of the Spider's Clue

Gertrude Chandler Warner

The Mystery of the Spider's Clue

Age Rating, Reading Level & Content Guide

by Gertrude Chandler Warner

Boxcar Children

Reading Level 3-4 8C Ages 5-8 Balanced Read Page-Turner

The text is written at a 3rd grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is gentle with no concerning themes.

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About This Book

When Sam receives a puzzling letter filled with tricky riddles, the Alden siblings team up to uncover the hidden clues. Together, they race to solve the mystery and win a grand prize from a generous millionaire. Join their exciting adventure full of clever thinking and teamwork!

Themes

Family Mystery Friendship

Quick Assessment

This is a Level 3-4 book with gentle content intensity. No notable content concerns flagged. Written for readers ages 5-8.

Why we rated The Mystery of the Spider's Clue 8C

The Mystery of the Spider's Clue is written at a Level 3-4 reading level with a Lexile measure of 560L across 134 pages (approximately 17,824 words). Strong independent readers around grade 4.9 can typically handle this book on their own; with parent or teacher support, The Mystery of the Spider's Clue works for readers up to grade 5.9.

Read aloud, The Mystery of the Spider's Clue runs about 2 hours — long enough to span several bedtime sessions.

We rate The Mystery of the Spider's Clue as 8C ("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, The Mystery of the Spider's Clue explores family, mystery, and friendship — these threads give the book room to mean different things to different readers.

Good fit for

✓ Children in the Ages 5-8 range — the maturity and attention span match the story's pacing.
✓ Reluctant readers who need fast-paced, hook-heavy stories to stay engaged.
✓ Kids drawn to stories about family, mystery, friendship.
✓ Readers who fall hard for one book and want a long series to live in — there are 150 more books in the Boxcar Children series.