Microsoft  Exchange Server 2007 Administrator's Pocket Consultant (Pro Administrator's Pocket Consultant)
Key Book Benefits:-Provides fast facts and immediate reference for administering Exchange  Server 2007-Delivers must-know details and procedures for installing, migrating to,  administering, and troubleshooting Exchange Server 2007-Features concise tables, easy-to-scan lists, and step-by step instructions  for the answers you need, wherever you need them