Reviews The Mighty Mars Rovers: The Incredible Adventures of Spirit and Opportunity (Scientists in the Field Series) by Elizabeth Rusch Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Science News July 27, 2012 at 1:26 pm As part of a series called Scientists in the Field, this book about the rovers Spirit and Opportunity is told through the eyes of rover lead scientist Steven Squyres. Houghton Mifflin Harcourt, 2012, 80 p., $18.99, ages 10–14