Red Harvest

Red Harvest by Joe Schreiber
When a Sith Lord's dark experiment results in a zombie apocalypse at a remote Sith Academy, a meek Jedi gardener and a brutal bounty hunter have to team up to survive.

Buy from Amazon!

This is an Old Republic era book from the Legends timeline. It may be contradicted by newer books, movies, or TV shows (if so, just think of it as an alternate universe).