Microsoft released a free 510 page e-book about SharePoint 2013 Preview. Recently , Microsoft announced that SharePoint went officially RTM, but I believe most of the contents of this book will also apply to the RTM version.  This book provides deployment instructions for SharePoint 2013. The audiences for this book include application specialists, line-of-business application specialists, and IT administrators who are ready to deploy SharePoint 2013

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This book covers everything that an IT pro needs to know about SharePoint 2013. It starts with how to design your farm, and how to install the servers and prerequisites all the way to how to configure your Service Applications and configure Resource Throttling.  You can download the e-book here in PDF, EPUB, MOBI, and of course DOC

Deployment guide for SharePoint 2013 Preview