Doyle, Debra, 1952- is not used in this library's catalog.

Joint pseudonym of Debra Doyle and James Macdonald. Also used as a pseudonym by individual authors, such as Sherwood Smith. For works by these authors written under their own names, as well as a listing of other names used by them, search also under: Doyle, Debra, 1952-  Macdonald, James, 1954-  Smith, Sherwood  

Try a search for Adams, Nicholas