Antique "Magic Drawing Books" by Samuel Gabriel Sons & Co & Ad Piece. Copywrite 1929 for The Magic Drawing Book of Happy Children - Book number 829, and My Animal Magic Drawing Book - Book number 830. Instructions say to rub pencil over paper to reveal a picture to color. Most pictures have some or all revealed due to handling and age. Also include is an advertisement for other Samuel Gabriel & Sons products "To Keep Busy The Little Hands and Little Head - BOOKS : TOYS : BLOCKS : GAMES" and shows address of 74-76 Fifth Avenue, New York got free illustrated catalogs. Back side of ad lists out all the different types of activity books they publish for children. Selling all three pieces together with the original bottom lid of box they came in for $75