Merlin's tour of the universe : a traveler's guide to blue moons and black holes, Mars, stars & everything far
"In Neil deGrasse Tyson's delightful journey through the cosmos, his fictional character Merlin responds to popular questions asked by adults and children alike. Merlin, a timeless visitor from Planet Omniscia in the Andromeda Galaxy, has observed firsthand many of the major scientific events of Earth's history. Merlin's friends include the most important scientific figures and explorers of all time-da Vinci, Magellan, Newton, Einstein, and Hubbl...