Our local CSTA chapter recently signed up for Oreillys User Community. If you are a member of a local CSTA chapter (and you should be - its free people) this is a service that might be helpful for your chapter.

From their website: If you run a user group, Meetup, professional association, or other technology group, OReilly Communities can provide you with:
Hope this helps!
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From their website: If you run a user group, Meetup, professional association, or other technology group, OReilly Communities can provide you with:
- Review copies of OReilly, Microsoft Press, Pragmatic, No Starch, and SitePoint products
- Donations of books and other promo items
Hope this helps!