I recommend joining the mailing list too. There's one book on sale nearly every day, and a category (e.g. Python, Ruby, data mining, etc.) every few weeks. If y

I recommend joining the mailing list too. There's one book on sale nearly every day, and a category (e.g. Python, Ruby, data mining, etc.) every few weeks. If you aren't in a rush to buy your books, keep a wishlist and pick them up as they go on sale.