Karen's Unicorn is the 89th book in the Baby-Sitters Little Sister series.
Back Cover SummaryEdit
Karen loves unicorns. When she sees a poster for a circus with a "real live unicorn," she is gigundoly excited. Karen believes that unicorns can grant wishes. That is good, because Karen has some very important wishes to make.
No one else in Ms. Colman's class believes that the circus unicorn is real. But Karen does. Will her wishes come true?