Podkayne of Mars

This Heinlein juvenile novel focuses on Podkayne (15 year old human girl) and her little brother Clark (irritating genius). Both are Mars born and have the opportunity to travel on a huge space liner that's the future equivalent of a luxury cruise ship. They make stops on Venus and Earth. They're travelling with their uncle who is involved in heavy duty political business.
Author: 
Robert A. Heinlein
Genre: 
Fiction
Your Vote: 
0
Average: 4 (1 vote)
Year: 
1963
GoodReads: 
3.64
ISBN-13: 
9780441012985