Nino Billic has published in MSExchangeTeam.com to links about free samples of Exchange Server 2007 and OCS 2007 MSPress books
Exchange Server 2007:
Get the information that you need to transition your skills and prepare for the new certifications - written by experts such as William Stanek, Walter Glenn, and Ian McLean. Topics include managing Exchange Server 2007, mailbox administration, disaster recovery, and security.
Office Communications Server 2007:
Learn how to take advantage of the enhanced e-learning collection on enterprise capabilities provided by Office Communications Server 2007, and get a richer experience using virtual labs designed for the final product version.
While on the subject, you might also like free downloadable sample chapters from the Microsoft Office Communications Server 2007 Resource Kit:
Read more at source: http://msexchangeteam.com/archive/2007/11/06/447461.aspx
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