Who's who in Oz

"...[T]his whimsical who's who offers a guided tour through the fairyland created by L. Frank Baum. 'Who's Who in Oz' contains descriptions of over six hundred and thirty Oz characters with hints on the parts they play in the thirty-nine Oz books published between 1900 and 1951. ... Also included are biographical sketches of all nine authors and illustrators of the Oz books. In addition, this one-of-a-kind encyclopedia is decorated with almost five hundred of the original Oz illustrations." -- Jacket flap.