Double Shot Death - Emmeline Duncan - Bog

"At Campathon, an annual eco-friendly festival held on a farm outside of Portland ... Sage has scored a coveted place for her Ground Rules coffee cart thanks to her new-ish boyfriend, Bax, who's friendly with Maya, one of the musicians performing ... When Sage stumbles upon [a] dead body in the nearby woods--his hand still clutching one of her coffee mugs--it's clear that someone's grudge boiled over into murder"--