Detective Big Little Books circuit 1930s lot of nine vintage mid-century

Big and better Little Books circa 1930s collection of nine detective vintage mid-century children’s books. Dan Don secret operative number 1118 in fair condition. International spy, Dr. doom faces death Dawn number 1148. Most of the books are in good to find condition. Chuck Malloy railroad detective on the streamliner number 1453. Gangbusters in action number 1451 and number 1433. G Man on the crime trail number 1118. G Man number 1168. In the name of the law number 1155. Radio patrol at winning the gang chief number 1496. All by the Whitten publishing company of Racine, Wisconsin. Great collection. Some of them are pretty nice shape summer still in mile our plastic to protect them.