Dr. Muhammad Zaffar Hashmi is Assistant Professor at the Department of Meteorology, COMSATS Institute of Information Technology, Islamabad, Pakistan. He completed his PhD in Environmental Engineering at the Zhejiang University, China. Dr. Hashmi’s research focuses on bioremediation of contaminated soil and cell toxicology. He has edited two books with Springer on hot issues (Antibiotics and Antibiotics Resistance Genes in Soils and Xenobiotics in the Soil Environment), which have been used at innumerable colleges, universities and research institutions around the globe.Prof. Ajit Varma (M.Sc., Ph.D.) was Professor of Microbial Technology at the School of Life Sciences, Jawaharlal Nehru University, New Delhi, before he became Director of the AMITY Institute of Herbal & Microbial Research in 2004. Professor Varma has won a large number of coveted national and international awards for his scientific contributions and was elected Fellow ofthe National Academy of Agricultural Sciences of India. He has lectured on various aspects of microbial sciences worldwide and has been honored for his excellence in teaching at esteemed universities. His first two books, dealing with mycorrhizal research, were published in 1991-1992 by Academic Press (UK) and have been used at innumerable colleges, universities and research institutions around the globe. Since then, he has compiled 18 books produced by leading scientific publishing houses.
