The Hundred-Year-Old Man Who Climbed Out the Window and Disappeared, written by Jonas Jonasson, is a comedic adventure novel that follows the extraordinary journey of Allan Karlsson. On his 100th birthday, Allan decides to escape from his nursing home and embarks on a series of misadventures that involve stolen money, gangsters, and unexpected friendships. Jonasson's novel combines humor, history, and a touch of absurdity to create a truly entertaining read. The Hundred-Year-Old Man Who Climbed Out the Window and Disappeared has become a global bestseller.