Howdy all,
My book, Ruby in Practice, went into early access this morning. You
can get more information at:
http://www.manning.com/mcanally/
Ruby in Practice shows you detailed strategies and specific Ruby
techniques you can use in your projects. You'll see concrete examples
of integration, messaging, web development, databases and more, all
presented in a clear Problem/Solution format. It will also help you
push your Ruby knowledge further with sections on aspect of dynamic
programming and testing.
The first chapter is free, so if you like what you see there, hop on
the Early Access bandwagon and help us improve the book. 
Thanks,
Jeremy McAnally
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http://www.jeremymcanally.com/
My free Ruby e-book:
http://www.humblelittlerubybook.com/book/
My blogs:
http://www.mrneighborly.com/
http://www.rubyinpractice.com/