"Exceptionally handsome photographs light up the pages of this well-designed introduction to jellyfish. A few sentences or fragments, closely tied to the illustrations, appear on each spread. The words underscore the variety of jellyfish in the sea and point out their comparative simplicity, their special features, and their unforgettable beauty. The sometimes impressionistic, informative text begins by helping readers to imagine life as a jellyfish: 'If you were a jellyfish you would have two choices—to go up or to go down. That's it. Two.' An intriguing introduction to the subject."—Booklist