Who was the first person to explore space? Who has explored the deep ocean? This book tackles these questions and more in an exciting format that's perfect for curious kids. Readers will love learning about explorers through a series of entertaining questions and answers. Bright illustrations are paired with bite-sized text boxes to capture readers' interest and keep them turning the pages. Readers will enjoy dialogue boxes, fun facts, and explanations about exploration that are both informative and whimsical. This book is sure to kickstart a love of STEM topics for young readers and inspire them to ask questions about the most extreme places around!.