TY  - BOOK
AU  - Christie,Agatha
TI  - N or M?
SN  - 0425098451 (pbk.) :
AV  - PR6005.H66 N15 1986
U1  - 823.91 
PY  - 1986///, c1969
CY  - New York
PB  - Berkley Books
KW  - Beresford, Tommy (Fictitious character)
KW  - Fiction
KW  - Beresford, Tuppence (Fictitious character)
KW  - Private investigators
KW  - England
KW  - Married people
KW  - Mystery fiction
KW  - gsafd
UR  - http://www.archive.org/details/normchri00chri
UR  - http://www.openlibrary.org/books/OL24215505M
ER  -