Your guide to designing apps that extend the capabilities of your SharePoint site. Take advantage of the most important new concept in Microsoft SharePoint 2013--the app. Led by two SharePoint experts, you’ll learn development techniques such as building app lists, creating event handlers, and the major classes in the object model that provide access to content stored in SharePoint. Get expert guidance on how Get code samples on the Web.
Pretty good jump start for any SharePoint developer who wants to understand core things happen behind the scenes. Especially about the security topics such as authentication and authorization applied to SharePoint add-ins. However, the book has several technical mistakes and typos, so I have to drop one star.