Mrs. Malory and a Necessary End // Murder on Campus — Hazel Holt

When Sheila Malory fills in for a friend at a local charity shop in the quiet English town of Taviscombe, she's happy for the change of scene. It will give her a chance to deal with interesting books, meet new people, and above all, work for a good cause! Still, not everything at the shop is so appealing. The ill-tempered, officious store supervisor, Desmond Barlow, runs the shop as a tyrant.

That is, until Desmond is found stabbed to death in the shop, and Mrs. Malory puts her impeccable sleuthing skills into play. Unfortunately, it seems that Desmond was disliked by pretty much everyone. In a town full of suspects, Mrs. Malory must go behind closed doors and delve into a slew of small-town secrets if she wants to discover a killer who is far from charitable…