David Merrill Markson (December 20, 1927 – c. June 4, 2010) was an American novelist. He was the author of several postmodern novels, including Springer's Progress, Wittgenstein's Mistress, and Reader's Block. His final book, The Last Novel, published in 2007, was called "a real tour de force" by The New York Times.Markson's work is characterized by an unconventional and experimental approach to narrative, character development and plot.