CONTENTS:- Vol.1: Development of Behaviour in Insects. Vol.2: Biological Control of Insects and Pests. Vol.3: Ecology of Insects. Vol.4: Harmful Insects. Vol.5: Hormons of Insects. Vol.6: Introduction to Butterflies. Vol.7: Insects of Past and Present. Vol.8: Insects and Pesticides. Vol.9: Principles of Insect Morphology. Vol.10: Life of Crustaceans.