Paco and Ben understand and explain curl and HTTP concepts in an easygoing but yet technical and exact way. They make this book a perfect guide to everyone who wants to understand the 'bricks' that web apps consist of, and thus how those bricks can be security tested.
Many of these authors are outstanding testers whose knowledge and wisdom can inform the security tester. We need to remember that security testing is a subset of proper testing, and learn from these folks who look at Testing with a capital T.
