Drums Rum-Tumming is an American story from World War 1 through World War 2 featuring times of the Andersen family during the struggles of the Red Scare the Spanish Flu the Roaring Twenties the Great Depression and the Second World War. Drums Rum-Tumming is a sequel to When Boys Become Men a book about two brothers leaving Colorado crossing the Oregon and California Trails to experience their new state California.