Ledicia's Key, Yvette Nachmias-Baeu's fourth book, is a genealogical puzzle that pieces clues and follows generations of a family from the Spanish Inquisition to present-day New England. The author reaches backwards and forwards through history to highlight descendants from Generals to artists, from nobility to shopkeepers. Here is a symphony of diverse humanity, of love and war, and not always harmonious - played out in the sharps and flats of personal...