Luna on the Run (The Carmsborough Vigilantes #1)

"Beggars can't be choosers, but I'm done begging."Luna, a homeless teen with skewed morals, and her mechanical cat Freckles embark on an adventure after finding a mysterious tracking device that could lead them to treasure. But when that device turns out to belong to Slaphand, a crime boss with a grip on the housing market in Carmsborough, Luna must save her best friend while coming to terms with her own gray morality.