This adrenaline-charged thriller by Gibbs (the Spy School series) introduces 12-year-old supergenius Charlie Thorne and sends her, with two CIA agents, in search of a world-changing equation developed by Albert Einstein before his death. read more
This adrenaline-charged thriller by Gibbs (the Spy School series) introduces 12-year-old supergenius Charlie Thorne and sends her, with two CIA agents, in search of a world-changing equation developed by Albert Einstein before his death.