What genre is the book Then by Morris Gleitzman?

When will pollution destroy the world? What are two ways in which humans reduce the land available for animals? How much money does Alzheimer's Association raise each year? Why did many immigrants choose to live near people from their own country? WHAT WAS MARY BETHUNE PROMBLEMS AND CHALLENGES? Are all illegal immigrants illegal? Is Haiti overpopulated? What led to the etablishment of the second ku klux klan? Does the society define success for women the same way we do for men? Is it better to rely on renewable or nonrenewable resources? What did the government do to help these refugees? What does it mean when a scientist says a lake has high turbidity? How do you tackle point source pollution? What do you do if a girl gives you a wedgie? Do lesbian girls get periods? What did Dr Ley promise workers when the trade unions were abolished? What are the goals of resource usage assessments? Why did the Exxon Valdez spill oil? How many births this year so far? Is water air or land the most polluted?