This reference work provides a comprehensive, alphabetical guide to identifying and managing the various insects, diseases, and physiological disorders that affect garden plants. The author, Ian G. Walls, utilizes his extensive horticultural expertise to translate complex agricultural pathology into accessible, actionable advice for the home gardener. The text serves as a diagnostic manual, pairing common symptoms with specific, practical interventions to maintain plant health.

The text functions as a utilitarian manual for the amateur horticulturist, prioritizing clarity and ease of reference over theoretical discourse. Its structured, alphabetical format suggests a focus on rapid problem-solving for the everyday gardener.