Among the Mad - Jacqueline Winspear

Christmas 1931. Maisie Dobbs witnesses a suicide on a London street close to her office. One man is holding London to account and he mentions Maisie by name in his first communiqué to the British Government. As his attacks escalate Special Branch co-opts Maisie as an advisor. Soon the capable Miss Dobbs is dealing with Union agitators, followers of Oswald Moseley, Military Intelligence Section Five and a string of medical men and women in a race against time to track down a broken genius. She is also trying to her help her assistant Billy Beale whose family is still reeling from a recent tragedy and may have worse to come.