Microsoft FREE book (ebooks) giveaway; From Eric Ligdon MS Sales Director;
FREE! That’s Right, I’m Giving Away MILLIONS of FREE Microsoft eBooks again! Including: Windows 10, Office 365, Office 2016, Power BI, Azure, Windows 8.1, Office 2013, SharePoint 2016, SharePoint 2013, Dynamics CRM, PowerShell, Exchange Server, System Center, Cloud, SQL Server and more!

http://tiny.cc/3a54cy

And how to download them “all at once”
http://tiny.cc/tb54cy