Molluscs play important ecological roles in the different aquatic and terrestrial ecosystems of the world.Molluscs are extremely diverse in tropical and temperate regions but can be found almost at all altitudes. Molluscs produce a wide range of biotoxins and metabolites that are used in medical research, the lethal toxins produced by cone snails develops a drug called ziconotide for patients with cancer and AIDS, who are suffering from pain that cannot be relieved by opiates. The present book represents the genetic diversity and distribution of molluscs under sub-mountainous regions of...

"Sex work and psychology behind condom use" is a must read book, enlightening you beyond the epidemiological details. It will take you to the inner world of sex work in a small city of India. The book opens horizon for further research investigation to prevent transmission of immuno deficiency virus and other sexually routed infections. The book gives psychological insight to the most persuaded prevention method for controlling the epidemic worldwide.