This is by no means an exhaustive list of the best photography books, simply a selection of my favorites.
Digital montage and altered photography
David Hiscock: Work from 1982–90, Skoob 1990
A Small Book of Black and White Lies by Dave McKean, Allen Spiegel Fine Arts 1995
Maroc by Albert Watson, Rizzoli 1998
Approaching the Shadow by Jerry Uelsmann, Nazraeli 2000
The End of the Game: The Last Word from Paradise by Peter Beard, Taschen 2008
Altered Images: New Visionaries in 21st Century Photography by Romany WG, Carpet Bombing Culture 2011
Clarence John Laughlin: The Personal Eye by Jonathan Williams and Lafcadio Hearn, Philadelphia Museum of Art 1973
Joseph Cornell: Master of Dreams by Diane Waldman, ...