There are three editions, 1987, 1988, and 2000, published by the Gatewy Press of Baltimore.
Google Books has a listing for it, but states that there is no electronic version available.
WorldCat does not show it in their system.
The Family History Library has a 1980 edition (not listed in WorldCat) is is available electronically:
The Maxeys of Virginia : a genealogical history of the descendants of Edward and Susannah Maxey
Authors:
Clark, Edythe Maxey, 1923- (Main Author)
Format:
Books/Monographs/Book with Film
Language:
English
Publication:
Baltimore, Maryland : Gateway Press, 1980
Physical:
xiii, 968 p. : ill., maps, port.
Subject Class:
929.273 M45
References:
(See Also) The Maxey messenger / Clark, Edythe Maxey, 1923-