Operation Dump the Chump Author:Barbara Park Poor Oscar Winkle! Ever since his little brother, Robert (not so affectionately known as Slobert), showed up seven and a half years ago, he's been specializing in ruining Oscar's life. Once he even took Oscar's underwear to school for show-and-tell! — Finally, Oscar decides he's had enough Slobert-style torture. He comes up with Operation:... more » Dump the Chump, a brilliant scheme to get even with the pesky creep. Once Oscar pulls off his top-secret plan, it'll be good-bye, little brother -- and hello to a Slobert-free summer!« less