The Magician is a novel by British author W. Somerset Maugham, originally published in 1908. In this tale, the magician Oliver Haddo, a caricature of Aleister Crowley, attempts to create life. Crowley wrote a critique of this book under the pen name Oliver Haddo, in which he accused Maugham of plagiarism.

William Somerset Maugham (25 January 1874 - 16 December 1965), better known as W. Somerset Maugham, was a British playwright, novelist and short story writer. He was among the most popular writers of his era and reputedly the highest-paid author during the 1930s.