What reading level is X marks the spot?

X marks the spot by Erin Soderberg is at a Level 3-4 reading level (Lexile 640L). Recommended for Lower Grades readers (Ages 5-8).

What age is X marks the spot appropriate for?

X marks the spot is recommended for Ages 5-8. HootRating: 8C (Clear).

What genre is X marks the spot?

X marks the spot is fiction — Juvenile Fiction.

Does X marks the spot have any content warnings?

X marks the spot 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 X marks the spot?

X marks the spot by Erin Soderberg is 88 pages.

Reviewed by HootRated editorial · Last updated September 7, 2026

X marks the spot

Erin Soderberg

X marks the spot

Age Rating, Reading Level & Content Guide

by Erin Soderberg

Illustrated by Cox, Russ, illustrator

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

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

Splash! Waves crash as Wally and Henry scramble up the sandy shore, treasure map clenched tight. Just when they think the island is empty, a mysterious shadow moves between the palm trees. What secret is hiding there?

Themes

Adventure FriendshipAnimalsPiratesJuvenile fiction

Quick Assessment

This early chapter book follows Wally, a puppy pirate, and his human friend Henry as they embark on a fun and lighthearted treasure hunt. Suitable for ages 5-8, it combines themes of friendship, adventure, and imagination without any intense content. The story encourages curiosity and problem-solving in a playful pirate setting.

Why we rated X marks the spot 8C

X marks the spot is written at a Level 3-4 reading level with a Lexile measure of 640L across 88 pages. Strong independent readers around grade 4.5 can typically handle this book on their own; with parent or teacher support, X marks the spot works for readers up to grade 5.5.

We rate X marks the spot 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, X marks the spot explores adventure, friendship, animals, pirates, and juvenile fiction — 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.
✓ Patient readers who enjoy slower, character-driven stories.
✓ Kids drawn to stories about adventure, friendship, animals.