A CONNIE BLAIR MYSTERY  #7 by Betsy Allen published by Grosset & Dunlap, Inc.

Connie Blair is a girl with a lively intelligence and a keen nose for solving mysteries. Connie, a career girl with a job in an advertising agency, has a way of encountering mysteries wherever she goes.

You can identify a Connie Blair Mystery at a glance because a color is always featured in the title.

#7 The Yellow Warning copyright 1951 SCARCE 1st Edition, 1st Print hardcover with dust jacket.
Combined shipping discounts!