Aunt Jane's Nieces and Uncle John

In the sixth of the series of ten adventure stories that Wizard of Oz writer L. Frank Baum penned for young adults, wealthy magnate and world traveler Uncle John proposes that the family escape the winter chill of New York with a sojourn in sunny southern California. However, what starts out as a pleasant journey is soon beset by problems and travails. Will the weary travelers ever make it to their destination?