Start with high-confidence landscape photography books, then narrow by subgenre or adjacent topics.
Tony Hillerman's Landscape
Anne Hillerman
The Lay of the Land
Joe Greer
Mountains
Michael Barry, Michael Blann
Dronescapes
Dronestegram, Ayperi Karabuda Ecer
Eden Revisited
Umberto Pasti, Ngoc Minh Ngo
Stone Nudes
Dean Fidelman
Antarctica
Sebastian Copeland
Desert Images
Edward Abbey
National Geographic World From Above
Jeffrey Kerby
Wild Eye
Beverly Joubert
STILL
Mary Jo Hoffman
Find Momo Coast to Coast
Andrew Knapp
Richard Misrach on Landscape and Meaning
Richard Misrach, Lucas Foglia
More Than a Rock, 2nd Edition
Guy Tal
The Ultimate Photography Ideas Book
Digital Camera World, Niall Hampton