Twenty-One Days (Daniel Pitt #1) by Anne Perry (2018)

In this first book in a new series, Thomas Pitt's son Daniel races to save his client from execution, setting him against London's Special Police Branch.It's 1910, and Daniel Pitt is a reluctant lawyer who would prefer to follow in the footsteps of his detective father. When the biographer Russell Graves, who Daniel is helping defend, is sentenced to execution for the murder of his wife, Daniel's Pitt-family investigative instincts kick in, and he sets out to find the real killer. With only twenty-one days before Graves is to be executed, Daniel learns that Graves is writing a biography of Victor Narraway, the former head of Special Branch and a close friend of the Pitts. And the stories don't shed a positive light. Is it possible someone is framing Graves to keep him from writing the biography--maybe even someone Daniel knows in Special Branch? The only answer, it seems, lies in the dead woman's corpse. And so, with the help of some eccentric new acquaintances who don't mind bending t