Hey Freebie Friday fans, we’re back! Teamed up again with our friends from AppSumo to give away a new ebook from Sitepoint that will rock your socks off! The book will teach you how to develop your own custom WordPress themes and how to sell them for passive income. Scroll down to see how 10 of you will be able to read the book over the weekend for free! Attention: it’s a 24h flash contest!