Martha--a.k.a. Agent K9-002-- is on a top secret mission to expose criminals out to steal Granny Flo's soup formula.
- ISBN10 0547576595
- ISBN13 9780547576596
- Publish Date 8 February 2012
- Publish Status Out of Print
- Out of Print 28 June 2021
- Publish Country US
- Imprint Houghton Mifflin
- Format Hardcover
- Pages 87
- Language English