ISBN: 9781449303457
Buy on O'Reilly
Found in 1 comment on Hacker News
troymc · 2011-12-30 · Original thread
Some publishers offer the ebook + physical book combo for less than buying them separately. For example, you can get the following deal on a particular book from O'Reilly:

ebook: $31.99

print + ebook: $32.99

print: $29.99

Ref: http://shop.oreilly.com/product/0636920018414.do

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