While Devin and Nadia spend summer vacation at a university camp for little kids Nadia as a counselor and Devin as an unwilling participant--their mother's research project is vandalized and her motives are questioned. Devin, Nadia and Simon stumble upon shady characters, corporate conspiracy and a plot to take over the nation's food supply with genetically modified fertilizer.
Click on any of the links above to see more books like this one.