HADER,BERTA AND ELMER. WHIFFY McMANN - ARTIST'S DUMMY written and illustrated by the Haders, published in 1933 by Coward McCann. This is the Haders' dummy for Whiffy McCann, used for layout and color direction. The dummy measures 5 1/2" square and is completely hand-made by the Haders including painted covers. It contains 27 watercolors and 8 black and whites with text in pencil beneath each piece. All throughout the book are pencilled notations to the printer from the Haders. A fascinating look at the earliest stage pre-production picture book.