Bellairs also is the author of St. Fidgeta and Other Parodies (1966), The Pedant and the Shuffly (1968), and the much-respected fantasy, The Face in the Frost (1969).
Bellairs was born in Marshall, Michigan, earned degrees from Notre Dame and the University of Chicago, taught at various Midwestern and New England colleges, and later lived and wrote in Haverhill, Massachusetts. He died in 1991.
His characters live on in the compleated and continued works by author Brad Strickland. Bellairs was honored by his hometown in 1992 with a historical marker outside the famed residence that served as inspiration for The House with a Clock in its Walls, and later, in 2000, was inducted into the Haverhill, Massachusetts, Hall of Fame.