Unto Dirt Return by JACK LUCKNER

Isham Ellis works as a pilot aboard the generation ship New Mayflower. After twelve hazard-filled centuries, the ship is finally approaching her destination.

Before they can reach the planet, a brutal murder turns excitement and anticipation into anxiety and dread.

The victim—Isham's grandfather, a farmworker,—was murdered for giving lectures about topsoil, but why? And why now?

Despite dire warnings, Isham's search for answers makes it clear that his grandfather's murder was only the beginning.