TY - BOOK AU - Christie,Agatha TI - The thirteen problems SN - 978000 AV - PZ3.C4637PR6005.H66 Th U1 - 823.912 21 PY - 1932/// CY - London PB - Published for the Crime Club Ltd. by W. Collins Sons & Co. KW - Detective and mystery stories KW - gsafd N1 - Publisher's ads [6] p. at end; Hubin, Crime fiction; p. 82 ER -