A British author known for his
hard sci-fi novels. He's most known for his far-future space opera series
The Xeelee Sequence, but he also writes a fair amount of
Alternate History and more near-future fiction. His works include:
- The Xeelee Sequence series. Arguably his most well-known books. Set in the far future, where humans struggle for supremacy in the universe against the god-like Xeelee.
- Evolution, a standalone novel about the evolution of humans and their ultimate fate.
- The Flood series, about an apocalyptic global flood.
- The Manifold series. Three "what if" novels concerning the Fermi Paradox (each presenting a different resolution to the paradox). Notable in that all three novels feature the same cast, but are set in Alternate Continuities.
- Manifold: Time posits that humanity is the only intelligent species in the universe.
- Manifold: Space is the opposite, with the universe actually brimming with intelligent life, but the reason we've never seen it before is because it is periodically "sterilized" by natural cosmological events.
- Manifold: Origin is set in a multiverse that is full of intelligent life, but each universe only contains one intelligent species.
- Phase Space is a collection of short stories related to the series.
- The Time Odyssey series, in collaboration with Arthur C. Clarke. Intended as an "orthoquel" (read: Alternate Universe) to Clarke's famous 2001: A Space Odyssey series.
- The Mammoth trilogy. It's about mammoths.
- Time's Tapestries, an Alternate History series.
- The NASA Trilogy, another Alternate History featuring more modern-day and near future what-ifs, such as a hypothetical manned mission to Mars in the 1970s.
- The Time Ships, an authorized sequel to H. G. Wells' The Time Machine that incorporates more modern science fiction concepts, such as Dyson Spheres and time travel creating branching timelines.
- The H-Bomb Girl, a foray into Young Adult fiction; in 1962, a young girl in Liverpool finds herself at a crossroads between various alternate histories against the backdrop of the Cuban Missile Crisis.