Discover the origins of water on Earth . . . with a talking comet! In this full-color graphic novel, an enthusiastic comet speeds through the universe, from the far reaches of space to planet Earth. Along the way, this rocketing rock reveals how our precious blue planet became, well, blue! With hilarious text and colorful comic book art, this laugh-out-loud nonfiction book will have readers, young and old, thirsty for more science.
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