I'm Mad Margaret, and I'm not really mad, I'm just crazy about science! When a friend tells me he has a sneezing problem, I help him use the scientific method to solve it. I'm no Einstein, but I can tell you all about the scientific method!

Eric Braun is a children's author and editor. He has written dozens of books on many topics, and one of his books was read by an astronaut on the International Space Station for kids on Earth to watch. Eric lives in Minneapolis with his wife, two kids, and a dog who is afraid of cardboard.