This dictionary provides wide-ranging coverage of ecology and the environmental sciences. It contains 5,000 entries on subjects including plant and animal physiology, animal behaviour, evolution, environmental pollution and conservation.

This comprehensive and up-to-date dictionary of zoology covers all aspects of the study of animals. It is ideal for students and will be invaluable to amateur naturalists.

A comprehensive paperback dictionary of botany, this edition provides over 5500 concise entries and includes coverage of biochemistry, plant physiology, cytology, ecology, genetics evolution, biogeography, Earth history, and the Earth sciences.