The case of the girl in grey Wollstonecraft detective agency series, book 2.

This history-mystery series continues with another fine display of brains and bravery from the Wollstonecraft Girls--Ada Bryon Lovelace and Mary Shelley. Inspired fun for middle grade readers and fans of The Mysterious Benedict Society and Lemony Snicket! The Wollstonecraft Detective Agency was supposed to be a secret constabulary, but after the success of their first case, all of London knows that Lady Ada and Mary are the girls to go to if...