Keene, Carolyn.

Valentine's Day secret / by Carolyn Keene ; illustrated by Macky Pamintuan. - New York : Scholastic, c2009, c2007. - 85 p. : ill. ; 20 cm. - Nancy Drew and the Clue Crew ; 12. . - Keene, Carolyn. Nancy Drew and the Clue Crew ; 12. .

Nancy Drew investigates a mean valentine sent to one of the Clue Crew.

ISBN: 9781416949442 (pbk.) 1416949445 (pbk.) 9780545134675 (pbk.) 0545134676 (pbk.)

LCCN: 2007935960

Subjects--Topical Terms:
Drew, Nancy (Fictitious character)--Juvenile fiction.
Detective and mystery stories.