This book, written by lead EwE developers, is a timely and comprehensive presentation of this versatile modeling approach and its many applications for the benefit of current and future ecologists, resource managers, and policy makers. Jeffrey Polovina If you study the networks of fisheries, or the networks of fishers, as you will be able to do after reading this book and following the [online] tutorials, you too will be able to understand some of the crazy things happening in the world. Sheila Heymans