Andrew Connell & Scot Hillier 
Inside Microsoft SharePoint 2013 [PDF ebook] 

Build custom Share Point solutions with architectural insights from the experts. Take a deep dive into Share Point 2013, and master the intricacies for designing and implementing robust apps and other business solutions for your organization. Led by an author team with in-depth knowledge of Share Point architecture, you’ll thoroughly explore the Share Point 2013 development platform and new app model through hands-on tasks and extensive code samples. Discover how to: Create Share Point-hosted, provider-hosted, and autohosted apps Master the new app security model with OAuth and Certificates Develop workflows with the Share Point 2013 workflow model Design a custom search experience and create search-based apps Leverage the client-side object model and REST APIs Produce catalog-driven web sites with Web Content Management capabilities Get cloud-based data sources with Business Connectivity Services Create and utilize remote event receivers for lists and libraries Generate new social networking apps and solutions