Helen and friends decide to make homemade valentines for each other. But when everybody’s art supplies begin disappearing, they start to suspect each other. Can Martha sniff out the culprit of the stolen supplies before their sweet holiday mood goes sour?---from the publisher
24 pages 9780547371627 Ages 5-7
Keywords: Valentine's Day, holidays, dogs, mystery, part of a series, independent reader, 5 year old, 6 year old, 7 year old
