The grown-up Bears have their hands full when Brother andSister have a sleepover with their friends—join the party

 The Berenstain Bears series is extremely well-known with over250 books total. ? The Berenstain Bears series have sold 260million copies. ? The Berenstain Bears in the I Can Read formathave sold a over 500,000 copies. ? The Berenstain Bears books arethe most circulated books in U.S. schools and libraries.