"What Katie Did" is the novel that made Susan Coolidge famous all over the world. The antics of Mr. Carr's six children are fun to watch at any age. It is known that the author drew the main characters from herself and her four younger siblings. And this can be felt in how lovingly the characters are written, how convincing their problems and joys are. An easy story that teaches the most important values: love, understanding, forgiveness and the ability to enjoy life.