Mom, it's under investigation - Rosa Choque

When she grows up, Esmie wants to be a detective, just like her father, who works for the police. And, faced with some unexpected events, she decides it's the perfect time to start practicing her investigative skills. First, she encounters the mysterious disappearance of her brother's girlfriend's mother. Is she still alive? Or is a crucial clue to solving the case buried in a local field?
On the other hand, something even more important definitively awakens her detective spirit: what reason could there be for her father not having yet proposed to his girlfriend, Lizzie? After all, Esmie herself had gone to so much trouble to get them together!... [Lizzie is the girlfriend Esmie sets up for her father in the first book of the series, titled Mother, Wanted].
As expected, her investigations will be shrouded in a thousand and one adventures. And, in the end, the aspiring detective's conclusions will be, at the very least, surprising!