Franz Kafka's The Metamorphosis

Interesting fact: Vladimir Nabokov once wrote an analysis of the Metamorphosis from his perspective as an amateur entomologist, and came to the conclusion that Samsa was not a cockroach as is usually portrayed, but actually a beetle -- and thus, could have escaped his situation at any time by flying out the window, if he'd only had somewhere to go. "This is a very nice observation on my part to be treasured all your lives. Some Gregors, some Joes and Janes, do not know that they have wings."