Uses a question-and-answer format to present information about the physical, emotional, and social topics surrounding sex and sexuality.

Discusses the principal causes and events of World War I and considers what the outcome might have been for the participants and subsequent history had different decisions been made at crucial times before, during, and after the war.

Examines the principal causes and events of the rise and fall of the Nazi regime in Germany between 1918 and 1945 and considers what the outcome might have been for the participants and subsequent history had different decisions been made at crucial times before and during this period.