Star Stuff: Carl Sagan and the Mysteries of the Cosmos that tells the true story of Carl Sagan, one of the world's most renowned scientists and space experts. For full review and shopping info ► http://ttpm.com/p/10670/roaring-brook-press/star-stuff-carl-sagan-and-the-mysteries-of-the-cosmos/?ref=yt Product Info: Star Stuff: Carl Sagan and the Mysteries of the Cosmos by Stephanie Roth Sisson is a 40-page picture book that tells the true story of Carl Sagan, one of the world's most renowned