Flux by Stephen Baxter Xeelee Sequence Part 2

Imagine a race of submicroscopic humans, genetically engineered to live in the universe's most hostile environment, the turbulent superfluid mantle of a neutron star

Imagine that the memory of the superbeings who created them has been kept alive from generation to generation.

Now imagine the most incredible family reunion in history--and you're ready for the latest mind-expanding adventure

Star humans were engineered to exist within the mantle of a star, mere tools of their Earth-evolved makers in a war against the Xeelee, owners of the universe. Stephen Baxter's third novel in his magnificent Xeelee Sequence is an exotic and endearing story of an abandoned people.