This is one of the best books addressing the topic on evolution of insect flight. Dudley has written this book following an extensive research on the topic and the extensive literature on insect flight. This book is an excellent example on how the field of biometrics and evolution of insects ought to be. The author has been able to combine the knowledge and insights of different authors in coming up with he this book. The book reflects the understanding and the intelligence of the author on the field of insect flight. Importantly, it should be noted that various fields have be tackled in this book. This include: functional morphology, physiology, aerodynamics, paleontology, ecology and behavior. Interestingly, the book has actually excelled in addressed the whole topic and the various subsections.