Daniel Handler is an American author best known for his work under the pen name Lemony Snicket. He gained fame for the popular children's book series, A Series of Unfortunate Events, which follows the misadventures of the Baudelaire orphans. His writing is characterized by dark humor, clever wordplay, and a unique narrative style that appeals to both children and adults. In addition to A Series of Unfortunate Events, Handler has written several other books, including The Basic Eight and Why We Broke Up. He often explores themes of loss, identity, and the complexities of growing up. Handler's works have been adapted into films and television series, further expanding his audience.