In one sentence if I say then I can say that this book is a must have book for every developers who want to learn or working on web API.
This books requires no prior knowledge of Web APIs , The first few chapters clearly explains every context of web and how starts with
Then Intermediate chapters explains in detail how to build services using web APIs , how to manage them, security & performance.
There are also some advanced chapters which explains the architecture of web APIs , its processes , HTTP programming models, model
The last chapter also talks about the testability of web API and explains it very beautifully
The books is self complete , it means if you have this books I don’t feel that you require any other book to learn how to play with web APIs.
I feel this book will be helpful for beginners , intermediate as well as experienced developers.