This guide addresses the challenge of identifying the vast array of insect species found within the British Isles by providing a comprehensive, visually-driven reference for amateur naturalists. Author Michael Chinery, a recognized expert in entomology, utilizes his extensive field experience to curate a collection of approximately 1,500 species. The book employs a structured taxonomic framework, pairing high-quality photography with diagnostic keys to facilitate accurate identification in the field.

The subject matter points to a highly practical, dense reference text designed for field use by enthusiasts and students of entomology. The inclusion of extensive photographic documentation suggests a focus on visual accuracy and accessibility for non-specialist users.