Join Trudi Rudibaker and her best friends, twins Becky and Herman, as they race against the clock to outwit an evil genius with a chip on his shoulder in the exciting Middle Grade adventure series, "The Case of the Doggie DNA Duplicating Device" - Book #1 "Trudi Rudibaker, Pre-Teen Private Eye" from EF Clark, author of "Nellie Green the Jelly Bean."