'Yellow Umbrella': A Rainy-Day Tale With Music but No Words By JENNY ALLEN 노란우산 : 글 없이 음악과 함께 하는 비오는 날 이야기(글 : 제니 앨런) When I first flipped through ''Yellow Umbrella'' and found a CD tucked in a plastic pocket inside the back cover, I felt cranky. Does everything have to come with a CD or a CD-ROM or