Just seen this so thought I'd share it with you lot as I know this will help a number of people.
https://www.humblebundle.com/books/network-security-certification-books?partner=indiekings
Basically:
1. Get yourself the MCSA Server 2012 books + SCCM books for $1/£0.75
2. Get the above + Network+, Cisco networking Essentials and a book that appears to be based on the old Storage+ book for $8/£5.96
3. Get the above x2 + Securty+ book + some other security related books for $15/£11.18
The money goes to a select number of charities - you'll be able to find more information the website for those of you that do not know about Humble Bumble.