The Time Machine and Other CasesUnknown - 2011
The sixth-grade science sleuth takes on ten more puzzling cases, including one involving disappearing ice cream and another a speedy soapbox car.
Publisher: Prince Frederick, Md. : Recorded Books ; [Prince Frederick, Md.] : [Distributed by] OneClickdigital, 2011.
Copyright Date: ℗2000
Characteristics: 1 sound files (1 hr.) : digital.