Know about planets

Mary Gribbin works in education in East Sussex and writes books about science for children. She won The TES Junior Information Book Award for her book Time and the Universe, and has written a series of books for Ladybird. She has also worked with John Gribbin on Being Human, Ice Age, and major biographies of Richard Feynman and Robert FitzRoy, as well as the "in 90 minutes" series of mini-biographies of Galileo, Newton, Halley, Faraday, Darwin, Mendel, Curie, and Einstein.-GoodReads