John Anthony Bellairs (January 17, 1938 – March 8, 1991) was an American author best known for his fantasy novel The Face in the Frost and many Gothic mystery novels for children featuring the characters Lewis Barnavelt, Rose Rita Pottinger, Johnny Dixon, and Anthony Monday. Most of his books were illustrated by Edward Gorey. Thirteen unfinished and original sequels to Bellairs' books have been written by Brad Strickland. At the time of his death, Bellairs' books had sold a quarter-million copies in hard cover and more than a million and a half copies in paperback. Source: Wikipedia (en)