Born in Death ~ J. D. Robb

This is the twenty-seventh in the Eve Dallas series. Eve and Rourke have been convinced to be Mavis's birthing coaches, and now have to attend the classes, and she is throwing Mavis's shower too. Eve gets called out to investigate a double murder, and Peabody insists on helping Eve with the shower prep. One of Mavis' best friends doesn't make it to the shower, and with some investigation, they discover that she has gone missing, now Eve has to find her on top of solving her double homicide.