<b>Keisuke Matsuoka / 松岡 圭祐</b> (born December 3, 1968, in Inazawa, Aichi Prefecture) is a Japanese novelist. <br/>His first novel, the psycho-thriller <i>Saimin (Hypnosis)</i> sold over a million copies on its release in 1997 and has been adapted into a film of the same name Masayuki Ochiai. His sophomore release of <i>Senrigan (Clairovoyance) </i>about a Air Self-Defense Force fighter pilot turned clinical psychologist launched a popular series, which have achieved combined sales of over six and a quarter million books. He is author of the nine-volume <i>Banno kanteishi Q no jikenbo (Casebook of Universal Appraiser Q)</i> series, and the <i>Tantei no tantei (Detective vs Detectives)</i> series, also adapted into a television series of the same name by Fuji TV.<br/>Matsuoka is best known outside of Japan for his Sherlock Holmes pastiche, <i>A Scandal in Japan</i>, which has been translated into English by <b>James Balzer</b>. The novel explores the time between Holmes' alleged death at Reichenbach Falls and his reappearance in London three years later.<br/>Goodreads notes, <i>"He is known for deftly weaving global political issues and near-future projections into his works"</i>