The case of the summer camp caper
by Judy Katschke.
- New York, NY : HarperEntertainment, 1999.
- 84 p. ; 20 cm.
- New adventures of Mary-Kate & Ashley. .
"A Parachute Press book." "Dualstar Publications." "Parachute Press." "Trenchcoat Twins case report ..."--Cover.
When the twins are at a summer camp, children's articles are stolen and are mysteriously placed under Ashley's bed.