Molecular farming also known as pharming, is the application of biotechnology and genetic engineering for using plant and animal proteins and metabolites to produce pharmaceutical substances in large quantities. It is widely used for manufacturing different enzymes, vaccines and hormones at relatively low cost. As this field is emerging at a fast pace, this book will help the readers to better understand the diverse concepts of plant genome, recombinant antibodies, therapeutic medicines and their clinical evaluations, etc. This book is a complete source of knowledge on the present status of this important field. It is appropriate for students seeking detailed information as well as for experts engaged in this field.