Follow Koko and Alex as they ask questions about the world while intrepid explorers go on adventures to find out how and where we live. Starting from inside the home, Koko and Alex move on to explore the wider world. Step by step the reader encounters different plants and animals, exploring various locations around the world and even visiting outer space! Children explore each topic by playing and learning. Activities, which include things to do on and off the page such as games, recipes and craft activities, are announced by a graphic symbol of a pair of hands. The more complicated procedures, involving cutting and baking, are flagged as requiring adult supervision.