Although the ukulele has always been popular - even when cast to the grass-skirt ghetto of luaus and limbo contests - the current craze for this instrument has put the four-string cousin of the guitar into the hands of veteran musicians and young hipsters alike. And while there are a handful of books feeding the current uke explosion, this is the first to detail the stage, screen, and recording stars who pioneered the uke - those who predated and...