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You might want to check their Data Science Starter Kit collection

http://shop.oreilly.com/category/get/data-science-kit.do

Thinking With Data's a great introduction too.

http://shop.oreilly.com/product/0636920029182.do

Highly recommend "Doing Data Science" (it's on list provided in the link above). The guest-lecture style chapters keep the material interesting (the author based this book on a class she taught at Columbia University) and as someone who was reading this part-time (alone), I enjoyed working on the exercises that are listed in the later chapters.

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