This Crossbill Guide is a thorough and practical guide for naturalists and nature lovers. It covers all of Andalucía west of the line Malaga-Córdoba, which coincides with the provinces of Huelva, Sevilla, Cádiz and the western half of Malaga. Well-known natural areas within this region include:

- Coto Doñana National Park
- The western Sierra Morena
- La Janda and the Straits of Gibraltar
- Los Alcornocales
- Sierra de Grazalema
- Ronda and the Sierra de las Nieves
- Many other, smaller sites.

This nature travel guidebook to Western Andalucía contains routes and background info on landscape, flora and fauna.

- Landscape history
- Ecosystems
- Geology
- Flora and Fauna
- Where to watch birds
- Finding orchids and other wildflowers
- 18 detailed routes with tips for finding wildlife and 28 site descriptions

Dirk Hilbers (NL, 1976), set up the Crossbill Guides Foundation and travels Europe to research the guidebooks. This is the 18th guide on which he has worked. As a biologist, when not in the field, Dirk Hilbers is a free-lance writer and lecturer in the field of environmental ethics.

John Cantelo (UK 1950) taught History and Social Studies before semi-retirement allowed him to focus on his other enthusiasm, birds and wildlife, by field teaching for the UK nature conservation organization the RSPB. For the past ten years he has helped edit the Crossbill Guides and for rather longer has been a regular visitor to southern Spain. He is an active member of the Andalucia Bird Society and Vice-President of Kent Ornithological Society!