Grizzly — Gary Paulsen

Justin McCallister loves life on his aunt and uncle's Montana sheep ranch...until a grizzly bear begins terrorizing the livestock, injuring Justin's collie, Radar, and killing his pet lamb, Blue. Justin decides to take matters into his own hands and sets out to track down the bear. But things become more dangerous than Justin ever could have imagined when he comes face-to-face with the grizzly.