The case of the yodeling turtles /
Bill Myers ; illustrations [by] Meredith Johnson.
- Nashville, Tenn. : Tommy Nelson, c2005.
- 74 p. : ill. ; 19 cm.
- Secret Agent Dingledorf--and his trusty dog, Splat .
When ten-year-old secret agent Dingledorf is called upon to find out why animals all over town have suddenly started to sing, he is reminded of the importance of being responsible.