Ursula's Underground World — Jean Wolf

It's August 1961 and Ursula, Wolfgang, Ruth and Renata stand gazing across the barrier being erected between West and East Berlin. The forsaken children are young adults and their world is about to change dramatically as the Cold War rages between the east and the west.This novel continues the Billy Love Wolf series which chronicles the lives of Billy Love, Katerina, Elisabetha and Eva Braun, navigating their German and American heritages.