Pop-Up Truck and Peril — Harper Lin

Amelia's best friend Christine calls her in a panic: the secretary at her workplace has just been stabbed to death in an office-supply closet.

Master Ketchup has hundreds of employees, and anyone could be the killer. Amelia agrees to sell cupcakes for the week in the industrial neighborhood to give Christine moral support.

But as much as Amelia tries to keep her nose out of it, she can't help but investigate another dangerous murder case. The 5th novella (30,000 words) in the popular Pink Cupcake cozy mystery series.