Anne Frank died in March 1945 at the age of fifteen in the Bergen-Belsen concentration camp. Two years after that, the book The Diary of Anne Frank was published.
In the third novel in the series, Tarzan faces one of his toughest challenges yet. His archenemy Nikolas Rokoff reappears, this time with a terrifying plan - to kidnap Tarzan's wife Jane and their son Jack, in order to exact revenge.