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Cover of Sea of Tranquility
Book details

Sea of Tranquility

A Novel

by Emily St. John Mandel

Published 2022272 pagesISBN 978-0-5934-6673-5

Edwin St. Andrew is eighteen years old when he crosses the Atlantic by steamship, exiled from polite society following an ill-conceived diatribe at a dinner party. He enters the forest, spellbound by the beauty of the Canadian wilderness, and suddenly hears the notes of a violin echoing in an airship terminal--an experience that shocks him to his core. Two centuries later a famous writer named Olive Llewellyn is on a book tour. She's traveling all over Earth, but her home is the second moon colony, a place of white stone, spired towers, and artificial beauty. Within the text of Olive's best-selling pandemic novel lies a strange passage: a man plays his violin for change in the echoing corridor of an airship terminal as the trees of a forest rise around him. When Gaspery-Jacques Roberts, a detective in the black-skied Night City, is hired to investigate an anomaly in the North American wilderness, he uncovers a series of lives upended: The exiled son of an earl driven to madness, a writer trapped far from home as a pandemic ravages Earth, and a childhood friend from the Night City who, like Gaspery himself, has glimpsed the chance to do something extraordinary that will disrupt the timeline of the universe. A virtuoso performance that is as human and tender as it is intellectually playful, Sea of Tranquility is a novel of time travel and metaphysics that precisely captures the reality of our current moment.

Beyond its central premise, the book can be read through the connected lenses of Science Fiction, Nonfiction, Fiction. Those themes offer useful points of attention as the characters, ideas, or world develop, especially where the book complicates the expectations of its primary category.

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Full BookenDeX details

What the reading experience may hold

A fuller profile for choosing with more confidence—not just another copy of the preview.

Themes to notice

Science Fiction · Nonfiction · Fiction

Use these as starting points rather than limits; the most memorable books often stretch beyond their catalog labels.

Content notes

No specific content concerns can be confirmed from the available English catalog information. Consult a publisher or reader-supplied guide when detailed warnings matter.

These notes are inferred from available catalog information and may not be complete. Check a publisher or reader-supplied guide if you need comprehensive warnings.

Reading experience

Balanced tone · Steady pace

A comfortable full-length choice for steady daily reading.

Who it may suit

A good fit if…

Readers who want a thoughtful experience and enjoy noticing the connections beneath a book’s surface story.

At a glance

This book's DNA

A visual estimate based on this edition's categories, description, and length. Select a star to explore the signals.

ToneBalanced
LuminousDark

This signal is descriptive, not a rating. It helps compare the kind of reading experience this edition may offer.

No plot details

Spoiler-Free Emotional Arc

A broad estimate of the book’s emotional rhythm, shown without story events or outcomes.

Spoiler-free
12345
PeakRelative emotional intensity
Sea of TranquilityEmily St. John Mandel
Powerful4.6/5

This visualization is an interpretive estimate based on catalog description, categories, tone, pace, and content signals. It does not describe specific scenes.

Before you choose

A quick reading snapshot

Edition facts and catalog signals to help you decide whether this book fits what you want to read next.

Reading lengthA standard-length read272 pages in this edition
Publication eraContemporaryFirst published or edition dated 2022
Primary categoryScience FictionAlso cataloged under Nonfiction and Fiction
ISBN-13
978-0-5934-6673-5
Language
English
Edition record
OL38056706M
BookenDeX editorial lens

A more thoughtful way into this book

This guide uses the edition details and category signals above to help you choose deliberately. It does not replace the author's work or a full review.

Good to know

A comfortable full-length choice for steady daily reading.

Begin with its place in Science Fiction, then notice where the book resists that label.

Try this reading approach

Read for connection, not completion.

Mark one passage that sharpens the book's central concern and one that complicates it. That tension often reveals more than a quick summary.

Three questions to carry with you

  1. Which familiar part of life becomes easier to see through this imagined world?
  2. What rules shape the world, and who benefits from them?
  3. Where does wonder, fear, or possibility change a character’s choices?

Editorial framework by Wesley Bryan, BookenDeX Founder and Editor.