About this book
Running 384 pages, Hearthspace (2025) is the newest of Stephen Baxter's novels in this list, following Fortress Sol as the latest instalment in his recent cosmic-scale hard SF run about a far-future humanity confronting an ancient alien threat. It caps a loosely successive sequence that began with Galaxias's vanishing-sun premise in 2021.
Key facts about Hearthspace
Hearthspace is a book by Stephen Baxter. Readers have had it since 25 September 2025. It runs to 384 pages.
Our list holds 1 edition of Hearthspace. Since each edition has its own ISBN, search for 9781399614696 to find the main one.
Stephen Baxter has 50 books in our catalogue. 37 of them belong to a series, while 13 stand alone. All 50 are out now. Other books by Stephen Baxter on file include Creation Node (2023), The Thousand Earths (2022), Galaxias (2021) and Xeelee: Redemption (2018).
Before this one, Fortress Sol came out in 2024. Since Stephen Baxter's first published book on file came out in 1991, this one arrived 34 years later.
Stephen Baxter has 10 series on file, such as Xeelee Sequence, NASA Trilogy and Mammoth Trilogy. Those series sit on our science fiction shelf. It is also the latest published Stephen Baxter book on file.
About Stephen Baxter
Stephen Baxter is a British science fiction author known for hard SF grounded in rigorous scientific speculation, spanning acclaimed series such as the Xeelee Sequence and numerous standalone novels exploring deep time, cosmology, and alternate history. See every Stephen Baxter book in order.
Editions
- edition · unknown publisher · — · ISBN 9781399614696