This is the first book in Springer's Enola Holmes series, and the book upon which the new Netflix movie was based. I bought my copy of this brand new.
Review:
On Enola's fourteenth birthday, her mother disappears. Once she realizes what's happened and that her mother is nowhere nearby, Enola contacts her older brothers, Mycroft and Sherlock Holmes, who she hasn't seen since she was four, figuring that they, as brilliant as they are, could help. Instead, they seem more concerned about the condition of the estate and what Enola has been doing for the past ten years. Mycroft had been sending their mother funds for household expenses since their father died ten years ago, and she had apparently been squirreling that money away for her eventual escape. Enola, who is not pleased with Mycroft's plans to send her to boarding school, can understand her motive for what she did, but there is one question she desperately wants answered: why didn't her mother bring her with her when she left?
Using the gifts her mother left for her, Enola sets off to try answer that question but stumbles across a completely different mystery in the process: the missing Viscount Tewksbury, Marquess of Basilwether.