The Sands of Oz.

A secret world hidden beneath sand dunes gives a young brother and sister an experience they'll never forget, or never want to leave.A brother and sister discover a hidden world beneath sand dunes while on vacation. The Sands of Oz is a mythical place that supposedly only exists in a book that was written by Frank L. Baum, but was never published. Only bits and pieces were ever released and only used in promotional ads for the area near Lake Michigan that has sands dunes that reach up to 300 feet tall. If Mr. Baum had developed an alternative to the Wizard of Oz, this might be the world he imagined.****PLEASE NOTE**********UNFINISHED STORY*****