Since the 1960s, Stan and Jan Berenstain's popular children's book series, The Berenstain Bears, has sold millions of copies and taught kids numerous lessons about family ties and everyday life. With more than 300 titles in print, the Berenstain Bears series stands as one of the most successful in the history of children's book publishing. The family of bears has also starred in three animated television series, five NBC holiday specials, and several examples of edutainment software. In addition, the popular Berenstains have been featured in countless toys and consumer products for children.