Shirlick Holmes and the Case of the Wandering Wardrobe
SHIRLICK HOLMES & THE CASE OF THE WANDERING WARDROBE
Illustrated by Anthony Rao
Putnams 1981
ISBN# 0-698-20498-0 Putnams hardcover
I thought of this as a possible series and then never wrote a second book. About a group of girls (and one boy who is an honorary girl) who solve mysteries.