Lenovo’s Yoga Book reinvents the tablet - YouTube
Lenovo's Yoga Book is part tablet, part sketch pad
Lenovo Yoga Book Embraces Android And Windows, Ditches Keys For Dual-Screens, Halo Keyboard, And Pen - Forbes
"will ship in October and cost $549 for the Windows version (a similar Android version will cost $499). It’s small and very slender, just 0.15 to 0.21 inches thin. It sports a 360-degree watchband hinge, much like we’ve seen on other Yoga laptops."