After the success of the first book, Canfield and Hansen, with HCI, published additional, similar Chicken Soup for the Soul titles.[13] Later, they published Chicken Soup for the Soul books for specific demographics, such as Chicken Soup for the Teenage Soul, which came out in 1997[14] and was a major best-seller.[15] New Chicken Soup for the Soul titles and sequels to existing books have been published on a regular basis since the first book came out in 1993.[13] As of late 2013, the series included more than 200 titles.[16]