Tress of the Emerald Sea

Tress of the Emerald Sea

book

2023

WISE
95%

WISE Score

4.6

Amazon

A whimsical, 'Princess Bride' style adventure where the ocean is made of deadly spores and the hero is a girl who’s really good at washing socks.

Amazon4.6
Common Sense Media

Where to Read

Our reviews and ratings are 100% unbiased, but as an Amazon Associate, Screenwise earns an affiliate fee if you buy a book or game by clicking one of our links. We don't get any credit if you just Google it instead :)

Screenwise Verdict

This is Sanderson at his most relaxed and creative. He wrote it as a gift for his wife, and that warmth translates to the page.

It avoids the tired 'chosen one' tropes and focuses on a protagonist who wins because she's thoughtful and meticulous. It's fun, it's fast-paced, and it's genuinely clever. If your kid is moving past Wings of Fire or Percy Jackson and wants something a bit more 'sophisticated' but still fun, this is the one.

Age Fit

Perfect for ages 9 to 99. It’s written with an adult vocabulary but the themes and content are totally accessible for middle-grade readers who want a 'big' book.

WISE Breakdown
Wholesome
92

It centers on a protagonist driven by genuine love and a sense of duty, rather than revenge or power. The tone is light, witty, and emphasizes kindness and competence over brute force.

Imaginative
98

Brandon Sanderson is at his peak here. The concept of 'spore seas'—oceans of colored dust that react violently to water—is one of the most creative fantasy settings in years. It invites constant curiosity about how the world works.

Safe
90

Very safe for a fantasy novel. No explicit language or sexual content. There is peril, some pirate-style violence, and a few deaths, but it's handled with a whimsical, fairy-tale distance.

Enriching
88

Tress is a fantastic role model for problem-solving. She isn't a 'chosen one' with magic powers; she wins by being observant, asking the right questions, and staying calm. It's a masterclass in agency.

Parent Info

Why It Might Be Great

  • Tress isn't a super-powered warrior; she survives by being observant, practical, and remarkably sane in a crazy world.
  • The world-building is brilliant—sailing on seas of colorful spores that explode or grow giant vines if they touch water is a wild, fun concept.
  • The narrator is Hoid, a fan-favorite character who provides a sarcastic, witty, and very human perspective on the story.
  • It’s a 'clean' read that doesn't feel like it’s talking down to kids or holding back for adults.

What to Watch For

  • There is some death and peril—it’s a pirate story, after all—but it’s never gratuitous or gory.
  • The 'Sorceress' villain has some creepy moments, and the spores themselves can be a bit 'body horror' if you think too hard about them growing inside people.

Conversation Starters

  • "Tress doesn't have magic or a sword—how does she actually get things done?"
  • "If you lived in a world where the ocean was made of spores, what would be the scariest part of a rainstorm?"
  • "Why does the narrator, Hoid, seem to care so much about stories and how they are told?"
  • "Which spore sea would be the most dangerous to sail on?"

Ask Anything

Get a personalized guide on any topic