Flat Stanley is back. The whole Lambchop family is off to see Mount Rushmore. But when Flat Stanley and his brother, Arthur, team up with a scrappy cowgirl named Calamity Jasper, their vacation turns into the Wild West experience of a lifetime. Pretty soon, they find themselves in a real tight spot - even for a flat boy like Stanley. Join everybody's favourite flat boy for another magical adventure - It's Jeff Brown's Flat Stanley. Big Mountain Adventure Flat Stanley is back! The whole Lambchop family is off to see Mount Rushmore. But when Flat Stanley and his brother, Arthur, team up with a scrappy cowgirl named Calamity Jasper, their vacation turns into the Wild West experience of a lifetime. Pretty soon, they find themselves in a real tight spot - even for a flat boy like Stanley! Jeff Brown's world-famous character Flat Stanley continues to charm half a century after he first found his way into print.