In 1971 engineers succeeded in placing a spacecraft into Mar's orbit with the hope of finding out what was on Mars Intelligent life Water A place where humans could live Since then more missions to Mars have been launched. Now is your chance to help continue the exploration of Mars. Will youJoin teams working on Mars orbitersJoin teams working with Mars landers and roversEverything in this book happened to real people. And you choose what you do next. The choices you make either lead you and the project to success - or to failure.