Wonton Terror by Vivien Chien
Lana Lee is working at the noodle shop's stand at the Night Market when the pleasant summer evening is disrupted by an explosion of one of the food trucks. The owner of the truck is killed in the explosion. His wife suffered some minor burns, but the police are suspicious that she may have something to do with the bomb, possibly for the insurance money.
Lana and her roommate Megan decide to investigate, in part because Lana's curious, but the wife is one of her mom's friends and her mom is upset. It seems like most of the Asian community in Cleveland know each other and/or have mutual acquaintances, which makes gathering information easier, but trying to do it without attracting notice difficult.
I've been reading this series in order and enjoying it. Lana's relationships with her family is great. They love each other, but that doesn't mean they always get along. And Lana's aunt is in town, adding a whole nother...