The book "Factors Controlling the Effect of Praziquantel on Liver Fibrosis in Schistosoma mansoni-Infected Patients" is a research in molecular biology. It is a comprehensive book which covers the pathogenesis of Schistosoma mansoni infection in an endemic population in central Sudan. In this book, you will find detailed procedures that include topics such as experimental design, parasitological diagnosis, ultrasound diagnosis and different tools of molecular biology such as PCR, RFLP and Taq-Man method. I believe that the book will add a humble information to the field of biology. Get your copy now. Dr. Siddig Rahoud Prof.Nasr Eldin Elwali Prof. Osman Saeed