TY  - BOOK
AU  - Keene,Carolyn
TI  - The invisible intruder
T2  - Her Nancy Drew mystery stories, 46
AV  - PZ7.K23 Nan no. 46
U1  - [Fic] 
PY  - 1969///]
CY  - New York
PB  - Grosset & Dunlap
KW  - Mystery and detective stories
N2  - Nancy Drew and her friends go on a ghost hunting expedition and become involved with a gang of thieves who concentrate their activities on collectors of valuable shells
ER  -