Designing gestural interfaces

The new book Designing gestural interfaces, touchscreens and interactive devices by Dan Saffer is available now as a printed book for 50$, as an ebook (paperless, immediately available, and DRM free!) for 40$ or both combined for 65$. If yo want to get started in new era of interaction design, this is the reference you need. Packed with informative illustrations and photos, Designing Gestural Interfaces provides you with essential information about kinesiology, sensors, ergonomics, physical computing, touchscreen technology, and new interface patterns -- information you need to augment your existing skills in traditional websites, software, or product development.