Personal computers may have replaced the typewriter in most homes and offices, but the venerable writing machine is currently staging a comeback. From portable models that hipsters are snapping up, to Tom Hanks's bestselling app that recreates the manual experience on a tablet, the typewriter has never been so hot. This celebration of the typewriter covers what a platen knob is, why QWERTY won out over other arrangements of keys, which authors loved (or loathed) their typewriters, and much more.