Investing well (in supersonic spaceships!)

"A wave of cyber crime using outer space satellites has hit the world's biggest companies, and now millions of dollars are missing! Normally this cosmic crime would be no sweat for Kid-Zillionaire Benji Franklin and his out-of-this-world problem solving skills, but there's a problem: his parents won't let him miss any more school! Can Benji ace his schoolwork and save Earth from digital thieves?"--Provided by publisher.