Sister Bear is angry when Brother Bear and his friends build a clubhouse for boys only, so she and her friends retaliate with a club of their own
- Genre: Juvenile Fiction
- Subgenre: Animals / Bears, Family / Siblings, Movie or Television Tie-In
- Age: 4-8 years
- Publisher: Random House Children's Books
- Pages: 32
- Language: English
- Format: paperback
- Release Date: February 1, 1986
- Date Published: February 1, 1986
- Author: Stan Berenstain, Jan Berenstain