The Janus File

The fates of universes aren’t the only things time travel can impact. Sometimes the effect is a lot more mundane and closer to home. And when that happens, it’s up to the cops of Themis Division to make time turn out right.

It was supposed to be a routine trip for the members of the Gordian Division, both human and AI: fly out to Saturn, inspect the construction of their latest time machines, then fly back.

But when the division’s top scientist and chief engineer are killed in the same frea...