This is the microsoft sharing nearly 250 books for free which are
paid, feel free to share this link with your friends, And Download for
you what you want.
https://blogs.msdn.microsoft.com/mssmallbiz/2017/07/11/largest-free-microsoft-ebook-giveaway-im-giving-away-millions-of-free-microsoft-ebooks-again-including-windows-10-office-365-office-2016-power-bi-azure-windows-8-1-office-2013-sharepo/
Thanks, J.

Well I am going to be going out today but I will definitely will be checking this out.

As well as the books in question there are powerpoints, videos, and even some deployment kits for nothing.