Shift happens
Shift happens will tell the story of keyboards like no book ever before: 150 years of keys, from the early typewriters to the pixellated keyboards in our pockets. It’ll show the good, the bad, the ugly, the beautiful, the awkward, the forgotten, the gross, and the inspiring... More here.
If this is your kind of subject I suspect the book will offer a huge amount of interesting content. Could be worth picking up when it's released.