Start with high-confidence lifestyle photography books, then narrow by subgenre or adjacent topics.
Living the Airstream Life
Karen Flett
The Unforgettable Photograph
George Lange, Scott Mowbray
Slim Aarons: a Place in the Sun
Slim Aarons
The Selby Comes Home
Todd Selby
American Cowboys
Anouk Masson Krantz
In the Limelight
Steve Eichner, Gabriel Sanchez