Meet the Secret Explorers! Children will be inspired to discover the world with these character-driven adventure stories for children aged 7 to 9 years old Learn all about knights and castles in this spooky history themed instalment of DK Books' new educational fiction series for children. Meet the Secret Explorers - a band of brainiac kids from all around the world. Everyone in this diverse group of young experts has a speciality, from outer space to dinosaurs, and each story follows a character who gets chosen for a "secret exploration". In this fun, fact-filled instalment, Kiki the engineering explorer and Gustavo the history expert get caught up in a spooky time travel mystery when a ghostly figure shows up at a medieval castle and terrifies the crowds! Let's explore! With a gripping narrative that keeps kids engaged, The Secret Explorers and the Haunted Castle book by SJ King is the perfect book for children who are into all things history.