Brian W. Aldiss (1983) (see Brian Aldiss)
The Many Facets of Stephen King (1985)
Card Catalogue: The Science Fiction and Fantasy of Orson Scott Card (1987) (see Orson Scott Card)
In the Image of God: Theme, Characterization, and Landscape in the Fiction of Orson Scott Card (1990) (see Orson Scott Card)
Annotated Guide to Stephen King:: A Primary And Secondary Bibliography of the Works of America's Premier Horror Writer (1990) (see Stephen King)
Stephen King Phenomenon (1992) (see Stephen King)
Films of Stephen King (1992) (see Stephen King)
Stephen King as Richard Bachman (1992) (see Stephen King)
Shorter Works of Stephen King (1992) (with David Engebretson) (see Stephen King)
Scaring Us to Death: Impact of Stephen King on Popular Culture (1997) (see Stephen King)
The Work of Orson Scott Card: An Annotated Bibliography and Guide (1997) (with Boden Clarke) (see Orson Scott Card)
Storyteller: The Official Guide to the Works of Orson Scott Card (2001) (see Orson Scott Card)
Horror Plum'D: An International Stephen King Bibliography and Guide, 1960-2000 (2003) (see Stephen King)
Hauntings: The Official Peter Straub Bibliography (2003) (see Peter Straub)
Stephen King Is Richard Bachman (2007) (see Richard Bachman)
Piers Anthony (2007) (see Piers Anthony)