Mentioned here:

http://www.usgo.org/news/2010/12/go-onl ... anography/

I think it's a good initiative, unfortunately the diagrams are very ugly (at least on my iPad, for the smaller diagrams with numbers on the stones). The article says that translator Bob Terry is preparing iPad versions - ie, epub versions - and hopefully they'll look better.

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My blog about Macs and more: Kirkville

I've read "amazing happenings" on my Kindle and i found it quite interesting, but just for relax reading. There are many interesting articles, and you can learn much about go history. But, you will not become stronger after reading it (this isn't the aim of the book). The diagrams are ugly and sometimes hardly readable. But still, for 12 dollars, the book is worth buying.