The Hundred-Year-Old Man Who Climbed Out the Window and Disappeared is a whimsical and adventurous novel written by Jonas Jonasson. The story follows Allan Karlsson, a centenarian who decides to escape from his nursing home on his 100th birthday. As Allan embarks on a journey filled with unexpected encounters and hilarious mishaps, readers are taken on a rollicking ride through 20th-century history. This book is a delightful blend of comedy, drama, and historical fiction, offering a unique perspective on major events and figures of the past century.