You haven't reached this yet

This first turns up in Book 1. Come back when you get there.

concept

extraterrestrial hypothesis

Names:

First appears in Book 1: Intervention, chapter 13 (12)

Appearances

B1

B2

B3

B4

What you know

Book 1: Intervention

Ch 13The ETH is the idea that some UFOs may be spacecraft from another civilization, on another planet in the solar system or around a more distant star.
Ch 13If ETH is true then ILE must be true, but ILE existing does not imply ETH is true.

An unofficial, spoiler-aware fan guide to Galactic Milieu by Julian May. Nothing past your reading progress is shown. Book details and covers from Open Library.

Ask about the books

Answers only use what you've read so far. They come from an AI and can be wrong.

Sign in to chat

How far have you read?

This guide hides everything after the chapter you pick, so it's safe to explore. You can change it any time from the top of the page.