Children's great explorers encyclopedia：Discover the world in the footsteps of famous explorers Children's great explorers encyclopedia :：discover the world in the footsteps of famous explorers / Encyclopedia of great explorers：discover the world in the footsteps of famous explorers Other title：Discover the world in the footsteps of famous explorers Other title：discover the world in the footsteps of famous explorers Children's great explorers encyclopedia：discover the remarkable story of Britain's past discover the world in the footsteps of famous explorers Children's ocean life encyclopedia：Discover the secrets of earth's oceans and seas Children's weather encyclopedia：Discover the science behind our planet's weather Children's british history encyclopedia：Discover the remarkable story of Britain's past