Simple facts about the Red Planet such as its orbit, atmosphere, and terrain, as well as the outcomes of explorations such as the Pathfinder Mission.

Mars Journey: Call to Action is the first book in the USA Today Bestselling author Bill Hargenrader's epic science fiction action and adventure thriller series

Vivid photos and up-to-date information teach readers about Mars, including details on climate and geography, how scientists have explored the planet, and what