00913cam a2200265 4500 121312744 TxAuBib 20061212120000.0 ||||||s1979||||||||||||||||||||||||eng|u 79017055 9780807584507 0807584509 DLC DLC m.c. COV TxAuBib Nixon, Joan Lowery. The Valentine mystery [HC] / Joan Lowery Nixon ; illustrated by Jim Cummins. Chicago : A. Whitman, 1979. 32 p. : ill. ; 21 cm. First read-alone mysteries Amateur detectives Susan and Mike track down the mysterious sender of an unsigned valentine. 20061212. Mystery and detective stories. Valentine's Day Fiction. Cummins, Jim, 1914- First read-alone mysteries.