<Tr> <Th> Pages </Th> <Td> 391 pages </Td> </Tr> <Tr> <Th> ISBN </Th> <Td> 978 - 91 - 642 - 0296 - 3 </Td> </Tr> <P> The Hundred - Year - Old Man Who Climbed Out the Window and Disappeared (Swedish: Hundraåringen som klev ut genom fönstret och försvann, also known as The Hundred - Year - Old Man Who Climbed Out of the Window and Disappeared (UK) and The 100 - Year - Old Man Who Climbed Out the Window and Disappeared in the US) is a 2009 comic novel by the Swedish author Jonas Jonasson . </P> <P> Allan Karlsson is about to celebrate his hundredth birthday, and a party is planned at his retirement home . Allan is alert despite his age, but is not interested in attending the party . Instead he climbs out the window and disappears . He walks in his slippers to the nearest bus station, intending to travel as far as his available cash will allow . While at the bus station, he meets an angry young man with a suitcase so big that he can't get into the lavatory and take it with him . He desperately asks Allan to hold the case for him and wait . Within half a minute, Allan's bus arrives and Allan boards it, taking the suitcase with him onto the bus . However, the young man misses the bus . The suitcase turns out to be stuffed with drug dealers' money, and Karlsson is chased by the dealers, trying to recover their lost cash . Meanwhile, the retirement home calls the police to search for Allan . The police have no knowledge of the money and are only looking for Allan, who is known to be somewhat absent minded . But Allan is simply trying to escape his retirement home confinement . He gets caught up in criminal activity by accident and ends up, unknown to him, being hunted by both the police and a gang of murderous criminals . </P>

The 100 year old man who jumped out the window and disappeared