Key Selling Points This book examines how humans have navigated the world through time. It looks at the development of maps, transportation and technology, including a peek into the future, to what space travel and exploration to the deepest parts of the ocean could like. The book looks at why humans have had (and still have) to move around. It examines topical issues, such as colonialism, slavery and forced migration because of war, food insecurity, the effects of the climate crisis and the movement of refugees around the world. Has curriculum connections with history, social studies, geography and STEM topics. Maria Birmingham is an award-winning children's writer who has worked in publishing for 25 years. This is her second book in the Orca Timeline series, following Are We Having Fun Yet?.