You may think the Solar System consists of the sun and the eight planets that orbit around it. However, there are other things out there. There are comets, moon

Was Mercury bigger in the past? How did Venus change the way people saw the world? What is happening to Mount Everest, the highest place on Earth? Does Mars hav

How much of America’s rainfall ends up in the Mississippi River? Which mountain range grew around the Danube River? Are there more kinds of fish in the Amazon

Meet the ghosts, werewolves, and spooky creatures who inhabit this book: A persistent ghost who refuses to give up the woman he loves, even though she doesn’t