The Encyclopedia of Watercolor
Techniques for Landscape (Encyclopedia of Art Series)
Hazel Soan

Painting Landscapes & Still Lifes in Watercolor:
Basic Techniques & Exercises (Basic Techniques & Exercises Series)
Jose Maria Parramon

Just review the comprehensive table of contents for this book!!

More Great Titles:

The Big Book of Painting Nature in Watercolor
Ferdinand Petrie, John Shaw

Season Landscapes:
Painting Watercolours With Acrylics
Keith H. Fenwick

Country Landscapes in Watercolor
John Blockley

Landscape Painting in Watercolor
Zoltan Szabo

An approach to landscapes in watercolour
Jack McDonogh

Watercolor from the Heart:
Techniques for Painting the Essence of Nature
Barbara Nechis

Watercolor Landscapes: Step by Step
Wendon Blake, et al

Watercolor Painting from Photographs
Ron Ranson

Watercolor Painting on the Trail: A Hiking Artist's Handbook
Judith Campbell

Art of Landscape Painting in Watercolors
Thomas Rowbotham

Painting Flowers & Gardens in Watercolor and Pastel
Alison Hoblyn

DK Art School: Watercolor Landscape
Ray Smith(Editor)

Buildings in Watercolor
Richard S. Taylor