Alex Benedict, tome 1
Jack McDevitt1989

Christopher Sim changed mankind's history forever when he forged a rag-tag group of misfits into the weapon that broke the alien Ashiyyur. But now, one man believes Sim was a fraud, and Alex must follow the legend into the heart of the alien galaxy to confront a truth far stranger than any fiction.

Titre original : Alex Benedict, book 1: A Talent for War (1989)