What reading level is The indigo king?

The indigo king by James A. Owen is at a Level 4-5 reading level (Lexile 790L). Recommended for Middle Grades readers (Ages 9-12).

What age is The indigo king appropriate for?

The indigo king is recommended for Ages 9-12. HootRating: 9LE (Light — Emotional).

What genre is The indigo king?

The indigo king is fiction — Juvenile Fiction.

Does The indigo king have any content warnings?

The indigo king 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 The indigo king?

The indigo king by James A. Owen is 386 pages.

Reviewed by HootRated editorial · Last updated June 9, 2026

The indigo king

James A. Owen

The indigo king

Age Rating, Reading Level & Content Guide

by James A. Owen

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.

Buy on Amazon Listen on Audible Find on Bookshop.org

We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.

About This Book

What if a secret world of dreams suddenly opened up in 1931? Imagine racing through time with John and Jack, two brave Caretakers, using a mysterious device from Jules Verne to uncover a hidden Cartographer. But what if their discovery changes everything they thought they knew about history—and themselves?

Themes

Adventure Fantasy World-BuildingTime TravelFriendship

Quick Assessment

The Indigo King is a middle-grade fantasy novel featuring time travel and adventure as two protagonists navigate a breach between our world and a magical realm called the Archipelago of Dreams. Suitable for ages 9-12, it offers imaginative storytelling with themes of friendship and discovery. The story contains mild peril but is appropriate for its target audience.

Why we rated The indigo king 9LE

The indigo king is written at a Level 4-5 reading level with a Lexile measure of 790L across 386 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, The indigo king works for readers up to grade 6.5.

We rate The indigo king 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, The indigo king explores adventure, fantasy world-building, time travel, 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.
✓ Patient readers who enjoy slower, character-driven stories.
✓ Kids drawn to stories about adventure, fantasy world-building, time travel.