The Valentine's Day mystery
by Marion M. Markham · 1992
On Valentine's Day twin detectives Kate and Mickey investigate a case involving a vanished garnet pin and a maestro of classical music.
FictionSistersTwinsValentine's DayMystery and detective storiesChildren's fictionJuvenile fictionDetective and mystery storiesSaint-Valentin (Fête)Romans, nouvelles, etc. pour la jeunesse