Set in 1932, bestseller Winspear's endearing seventh Maisie Dobbs novel (after 2009's Among the Mad
) centers on Michael Clifton, a young American cartographer during the Great War, whose remains turn up in a French field. Evidence suggests to Maisie that Michael, rather than dying in a shell blast, was murdered. Michael's parents arrive in London with letters from an unnamed English nurse that raise disturbing questions about the nurse's relationship with their son. The plucky inquiry agent embarks on a search for this woman, following a trail that leads to Chatham, home of the School of Military Engineering, which Michael attended. There she learns about the vital role that cartography played in the war. At times, subplots involving socialite James Compton, a frustrated suitor, and the family problems of Maisie's assistant, Billy Beale, slow the pace. As often in this winning series, the action builds to a somewhat sad if satisfying conclusion. 10-city author tour. (Apr.)
