Humble Book Bundle: Science + Discovery presented by Make:

Time is running out! Pay What You Want! Get $329 worth of ebooks. Name your price of $1 or more and increase your contribution to upgrade your bundle. Download these books onto your favorite reading device to peruse anywhere, anytime. These books come in PDF, ePUB, and CBZ file types to support many devices. Choose exactly how your purchase is divided between the publisher, charity, or even the Humble tip jar. bundles sold Pay What You Want Learn More + Pay $8+ Learn More + Pay $15+ Learn More