There are a couple of PowerShell book giveaways going on that you may be interested in:
PowerShell Magazine is giving away a copy of “Microsoft Windows PowerShell 3.0 First Look” written by Adam Driscoll.
Alvin Ashcraft’s Morning Dew is giving away two copies of “Learn Windows PowerShell 3 in a Month of Lunches, Second Edition” written by Don Jones & Jeffery Hicks.
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I am a huge fan of Powershell and currently looking forward to the new version of 3.0.
Thanks in advance and keep up the good work of promoting Powershell.