by Joe Haldeman
First published 2005
The Changeling has spent millennia perfecting the art of adaptation. It shifts between countless forms, blending seamlessly into Earth's ecosystem while observing humanity's rise. Its counterpart takes a different approach. The Chameleon kills whatever poses a threat, leaving destruction in its wake across the centuries. Both creatures have wandered this planet since before recorded history, each unaware of the other's existence. Everything changes when a mysterious object surfaces from the ocean depths. This ancient relic pulses with signals from their shared origin, promising a path home after eons of exile. The discovery draws both aliens toward the same location, setting up an inevitable confrontation. The Changeling seeks understanding and connection. The Chameleon sees only competition for limited resources. As these two vastly different survivors circle closer to their prize, one fundamental question emerges: can Earth contain them both, or must one destroy the other to claim their birthright? Their opposing natures, shaped by centuries of different survival strategies, make coexistence impossible.
Genres: science-fiction, action, aliens, alternate-history
Vibes: dark, suspenseful, thought-provoking
Tropes: enemies-to-lovers, found-family
Setting: Earth
Period: Millennia, Eons
289 pages · Mass Market Paperback · Ace
Content warnings: violence