Nightfall

Yosi Weismann had a simple gig: Babysit a grossly irresponsible young man, who just happened to be a prince. Let His Excellency sow his wild oats. Don't let him kill himself, or anyone else, in the process.

Piece of cake for a man of his skills. A glorified vacation. That's how things were supposed to go, at any rate.

Now Yosi is marooned on a foreign world, surrounded by people whom he doesn't understand, and hunted by enemies who literally want to eat him alive. But these are the least of his problems. Because the biggest war in living memory has set all of Known Space aflame in an instant. And if Yosi Weismann is to ever get back home, he first needs to build an army...