Forever War, Ole Man's War, The Light Brigade.

Straight up space opera, with a good plot and decent enough characters and a (Peter F. Hamilton-esque) touch of light horror. Not too dissimilar to Adrian Tchaikovskys Final Architect series, well worth it for anyone enjoying that. Heading straight into the next in the series now.

This book needs more attention. Probably the best alternate history I've read in decades.

Can't remember last time I gave a book five full stars. I want to deduct a little for the americentrism, but. just can't.