Free eBook (pdf) Microsoft Lync Server 2013 Step By Step for Anyone eBook (pdf) by Microsoft Lync MVP Matt Landis. This book gives step by step instructions on how to install Lync Server 2013.

http://gallery.technet.microsoft.com/office/Lync-Server-2012-9d6fe954/file/65788/9/Microsoft%20Lync%20Server%202013%20%20Step%20by%20Step%20for%20Anyone_REV013.pdf