Xenogenesis books in order

Reading order guide for the Xenogenesis trilogy by Octavia E. Butler, also published as Lilith's Brood. After nuclear war nearly destroys humanity, the alien Oankali offer survival at a price — genetic merger with an alien species.

Reading order

# Title Published Author Buy on Amazon
1 Alba 1987 Octavia E. Butler N/A
2 Dawn 1987 Octavia E. Butler Buy
3 Adulthood Rites 1988 Octavia E. Butler Buy
4 Imago 1989 Octavia E. Butler Buy
5 Kindred 1979 Octavia E. Butler Buy
6 Fledgling 2005 Octavia E. Butler Buy

The Xenogenesis trilogy — now most often found under the title Lilith’s Brood — follows humanity in the aftermath of nuclear war. An alien species called the Oankali have rescued the surviving humans from a dying Earth, but they want something in return. The Oankali are compulsive genetic traders, and they intend to merge with humanity, producing offspring that are neither fully human nor fully Oankali. They regard this as a gift. Most humans regard it as the end of their species.

The first novel, Dawn (1987), centers on Lilith Iyapo, a Black American woman chosen by the Oankali to help prepare other surviving humans for a return to Earth. Lilith has no good choices — she can cooperate and survive in a changed world, or resist and remain in suspended animation indefinitely. The novels that follow, Adulthood Rites (1988) and Imago (1989), shift to the next generation, following Lilith’s children as they navigate the tension between their human and Oankali natures and the communities that reject them.

Butler used the trilogy to examine what it means to be human when human identity itself has been altered, and whether the traits that make human beings who they are — competitiveness, aggression, the need for hierarchy — can survive the changes the Oankali regard as improvements. The series resists easy answers. The Oankali are not villains; they are simply beings with different values and greater power, which is its own kind of problem. The books remain among Butler’s most discussed works in both science fiction and academic contexts.


Frequently Asked Questions

How many books are in the Xenogenesis series?

There are six books in the Xenogenesis series, published between 1979 and 2005.

What is the first book in the Xenogenesis series?

The first book in the Xenogenesis series is Alba, published in 1987.

Is there a difference between the Xenogenesis and Lilith's Brood editions?

The three novels — Dawn, Adulthood Rites, and Imago — were originally published individually under the series title Xenogenesis between 1987 and 1989. They were later collected into a single omnibus volume titled Lilith’s Brood (2000), which is the edition most commonly in print today. The text is the same; only the series name changed.

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