The mystery of the old knife /
by M.J. Cosson ; [cover and inside illustrations, Michael A. Aspengren].
- Logan, Iowa : Perfection Learning, c2001.
- 56 p. : ill. ; 23 cm.
- Kooties Club Mystery Cover-to-cover chapter book Cover-to-cover books .
- Kooties Club Mystery. Cover-to-cover chapter books. Cover-to-cover books. .
Gabe, Toby, and their friends find mystery and adventure while working at an archaeological site in their neighborhood.