Curious George and the Hot Air Balloon 
Margret Rey  H. A. Rey
Format: Paperback, 24pp.
ISBN: 0395919096
Publisher: Houghton Mifflin Company
Pub. Date: October  1998
Recommend Age Range: 4 to 7

While visiting Mount Rushmore, Curious George gets into mischief when he takes an unplanned ride on a hot air balloon.