TY - BOOK AU - Murphy,Elspeth Campbell AU - Dyrud,Chris Wold TI - The mystery of the gravestone riddle /Elspeth Campbell Murphy ; illustrated by Chris Wold Dyrud T2 - The Ten commandments mysteries AV - PZ7 .M978 1988 PY - 1988/// CY - Elgin, Illinois PB - Chariot Books N1 - "A Wise owl book"--T.p. verso; 2 N2 - When three cousins solve a 100-year-old murder, they learn about the commandment forbidding killing ER -