Good news for SQL Server 2012 developers. Microsoft has just finished and provided free ebook: Introducing Microsoft SQL Server 2012.
PART I DATABASE ADMINISTRATION (by Ross Mistry)
1. SQL Server 2012 Editions and Engine Enhancements
2. High-Availability and Disaster-Recovery Enhancements
3. Performance and Scalability
4. Security Enhancements
5. Programmability and Beyond-Relational Enhancements
PART II BUSINESS INTELLIGENCE DEVELOPMENT (by Stacia Misner)
6. Integration Services
7. Data Quality Services
8. Master Data Services
9. Analysis Services and PowerPivot
10. Reporting Services
Don't forget to share your thoughts what you think about the book.