Book excerpt: This beautiful book explores the world of colour in the plant kingdom and introduces the artist to effective practical methods of using colour in botanical painting. It focusses on the relevance of making accurate observations of colour in botanical specimens and recognizing the value and importance of using colour theory to achieve successful results. With over 500 images, this elaborately-illustrated guide uses the author's finished artwork, diagrams, and step-by-step tutorials to explain the important role of colour in this compelling genre. This book is a must for all aspiring botanical artists, illustrators and students.