Sherwood Spencer Publishing

Advantage Publishers Group publishes books under three imprints, which include Silver Dolphin Books, Thunder Bay Press and Portable Press. Founded more than 15 years ago, Advantage Publishers Group has a growing list of published titles and features a backlist of more than 500 books. The company s books are sold in the United States and throughout the world. It is an alliance of Advanced Marketing Services' international contract distribution operations. Headquartered in San Diego, Advanced Marketing Services is a provider of customized merchandising, wholesaling, distribution and publishing services to the book industry. The company has operations in the United States, Mexico, the United Kingdom and Australia and employs more than 1,300 people throughout the world. Advantage Publishers Group is located in San Diego.