At the same time, the templant for Roy Batty hires Dave Holden, the blade runner attacked by Leon, to help him hunt down the man he believes is the sixth replicant—Deckard.

Deckard and Holden's investigations lead them to re-visit Sebastian, Bryant, and John Isidore (from the book Do Androids Dream Of Electric Sheep?

The book's plot draws from other material related to Blade Runner in a number of ways: However, it also contradicts material in some ways: Michael Giltz of Entertainment Weekly gave the book a "C−", feeling that "only hardcore fans will be satisfied by this tale" and saying Jeter's "habit of echoing dialogue and scenes from the film is annoying and begs comparisons he would do well to avoid.

"[1] Tal Cohen of Tal Cohen's Bookshelf called The Edge of Human "a good book", praising Jeter's "further, and deeper, investigation of the questions Philip K. Dick originally asked", but criticized the book for its "needless grandioseness" and for "rel[ying] on Blade Runner too heavily, [as] the number of new characters introduced is extremely small..."[2] Ian Kaplan of BearCave.com gave the book three stars out of five, saying that while he was "not entirely satisfied" and felt that the "story tends to be shallow", "Jeter does deal with the moral dilemma of the Blade Runners who hunt down beings that are virtually human in every way.

"[3] J. Patton of The Bent Cover praised Jeter for "[not] try[ing] to emulate Philip K. Dick", adding, "This book also has all the grittiness and dark edges that the movie showed off so well, along with a very fast pace that will keep you reading into the wee hours of the night.