Microsoft Press has been releasing Microsoft System Center free ebooks this year in waves. We are hosting these free ebooks on the Microsoft Virtual Academy now. Click through to the catalog page for these and other free ebooks.
Download all formats (PDF, Mobi and ePub) hosted by the Microsoft Virtual Academy
13 December 2013 -- System Center: Optimizing Service Manager is already available on O'Reilly as a free download (see: shop.oreilly.com/.../0790145396716.do). Printed version is $9.99)
Which is good, since the link to the service manager book on this page is broken.
Well, it's January already but no "Network Virtualization and Cloud Computing" ?... ;(
Btw, the links here do work:
System Center: Building a Virtualized Network Solution is available as of Feb 19 at www.microsoftvirtualacademy.com/ebooks, it came out with today's Virtualization Jump Start.