* Indicates developers how to harness the power of services like Google, eBay, PayPal, and Amazon.com from within an application, whether web-based, Windows-based, or even Microsoft Office applications * After a brief review of the foundation, readers will dive into more advanced techniques such as calling APIs from mobile devices, Office VBA programs, Windows Forms and Web applications, and even how to integrate the various APIs together for a complete solution * Veteran Wrox author Denise Gosnell skillfully guides readers through the ins and outs of various services, anatomy of a query API, the features available through the API, and how to get results from their own applications * Readers will build two fully functional applications to apply what they have learned-one a Windows program, another Web application