Neal Stephenson and Nicole Galland
Jeff D says:
This book mixes hard science with witchcraft and thrilling adventure with office politics. Lots of fun and a real page turner.
A discreet translation assignment enmeshes a linguistics expert and a military intelligence operator in the world-shattering revelation that magic was once widely practiced and can be reactivated by traveling back in time to make historical changes that are complicated by human treachery.