I’ve posted Humble Bundle links in the past, so it should come as no surprise that I’d mention this one:
The title alone should be enough for you to know why this is relevant, but should you require any further clarification, here’s some blurb:
Bundled up and bossed up. You’ve got the next great idea, and Apress knows it! That’s why we’ve partnered up with the top business publisher to bring you this plethora of books to light your way to tech success.
As always with Humble Bundles, this collection of books is pay-what-you-want, with additional books unlocking the more you pay.