Find out how gum became everyone's favorite chewing candy in this fact-filled nonfiction book, part of the How It Happened! series. Baseball stadiums, movie theaters, underneath your desk at school--gum is everywhere. But how did this gluey glob become everyone's favorite candy to chomp on? Readers will love gobbling down the story of gum, from its ancient origins to its influence on "pop" culture . . . and everything in between!