The era of 21st century belong to the wireless world. The rapid growth of cellphones, wireless LANs and wireless internet is driving the whole world towards integrity with wireless communication. This book presents an in-depth study on the recent advances in routing protocols of Mobile Wireless Sensor Networks (MWSNs). The authors describe the basics of WSN and its applications in different environments. The authors explore different routing protocols for mobile WSN. This book can be helpful for the beginners to initiate their research in this field.