GURUPRASAD SAMANTA is Professor at the Department of Mathematics, Indian Institute of Engineering Science and Technology, Howrah, India. He earned his Ph.D. degree in applied mathematics from the University of Calcutta, India, in 1991. His research areas are mathematical biology and operations research. He has published 9 books and over 136 papers in reputed national and international journals

Chapter 1. Dynamical models of single and predator-prey species.- Chapter 2. Dynamical models of single-species in polluted environment.- Chapter 3. Nonautonomous two species systems in polluted environment.- Chapter 4. Single-species systems in polluted environment.- Chapter 5. Stability Behaviour of two Interacting Species in Randomly Fluctuating and Deterministic Environments.- Chapter 6. Stochastic analysis of a demographic model of urbanization.- Chapter 7. Non-Equilibrium Thermodynamics of Interacting Species.- Chapter 8. Stability of a social group.