This is the latest book on InP materials and devices. As integrated semiconductor waveguide devices become fashionable, this book offers a valuable insight. Readers will find this book covers materials which are up-to-date and comprehensive. Particularly the Introduction by Yoshida Junichi and Charpter 12, Laser, Amplifiers, and Modulators Based on InP-Based Materials by Niloy Dutta are well written. I am sure readers with other special interest will also find this book a great reference.