Contact

Science fiction

First published: 1985
Print length: 434 pagesPocket Books, 1997

Description

Ellie Arroway grows from a mathematically gifted child into the director of a New Mexico radio-telescope project devoted to finding extraterrestrial intelligence, despite skepticism from much of the scientific establishment. Her persistence is vindicated when the project detects a signal from Vega broadcasting prime numbers. The transmission soon reveals plans for an advanced five-seat machine, but the vast instructions cannot be decoded without a missing primer. As the United States and Soviet Union race to build the device, a scientific discovery becomes a political, technological, and philosophical crisis: humanity must decide how to answer a civilization far beyond its own capabilities. The novel joins hard science fiction with questions about evidence, faith, institutional power, and humankind’s place in the universe.

Reading profile

About this profile

Collected’s assessment, not reader ratings. Complexity runs from 1 (least demanding) to 5 (most demanding).

Writing: How much attention the sentences and language require.
Ideas: How much interpretation or abstract reasoning the book asks of you.
Structure: How much you need to keep track of speakers, timelines and connections.
Background knowledge: Prior knowledge needed to follow the book, beyond what it explains.
Emotional intensity: Emotional pressure, from gentle (1) to intense (5). Separate from difficulty.

Writing style

Descriptive · Direct · Technical

Pace

Measured

Tone

Cerebral · Earnest · Philosophical · Suspenseful

Structure

Linear

Focus

Character · Ideas · Plot

Emotional intensity

3 / 5

Reading complexity

1–5 · higher means more demanding

Writing: 3 / 5
Ideas: 4 / 5
Structure: 3 / 5
Background knowledge: 2 / 5

Themes

IdentityKnowledge and truthPowerReligion and faithTechnology and society

About Carl Sagan

Carl Sagan was an astrophysicist and cosmologist who wrote for general readers about worlds at radically different scales: the evolution of the universe, the structure of the brain, planetary exploration, and the choices societies make under scientific uncertainty. His usual method is to begin with an observable fact or a number, enlarge its frame, and then show how evidence disciplines speculation. Cosmos moves among astronomy, biology, anthropology, and intellectual history, using compressed timelines and linked explanations to place civilization within cosmic evolution. The same habit of scale shapes Pale Blue Dot, where the distant image of Earth leads into planetary science, exploration, and the practical fragility of human life. Sagan’s prose is direct and descriptive, with comparisons and quantities used to make immense distances or gradual changes intelligible. He also treats scientific reasoning as a public practice. The Demon-Haunted World examines UFOs, faith healing, and other disputed claims through testability and verification, while Contact turns those concerns into a paced narrative of detection, decoding, institutional rivalry, and argument over what can count as proof.