Journey Between Worlds — Sylvia Engdahl

Eighteen-year-old Melinda Ashley never wanted to go to Mars. she had her life all planned out--marry ross and become a teacher. but when her estranged father convinces her to take an interplanetary vacation, she finds herself tempted to leave behind her comfortable existence on earth. Mars isn't at all what she expected, and when she meets Alex preston, a second-generation Martian colonist, she finds herself on a surprising new path. sylvia engdahl's classic novel has been revised and updated by the author to reflect new discoveries and research about Mars.