Lillian Baker was an author for more than four decades. Her first book on Hatpins and Hatpin Holders in 1976 was the first and only worldwide definitive book on the subject. She also authored 100 years of Collectible Jewelry, Plastic Jewelry of the 20th Century, Fifty Years of Collectible Fashion Jewelry, Art Nouveau & Art Deco Jewelry, and Creative & Collectible Miniatures. Lillian Baker is now deceased.