This classic Berenstain Bears story is a perfect way to teach children about trying new things and the importance of physical fitness! Come for a visit in Bear Country with this classic First Time Book(R) from Stan and Jan Berenstain. Sister has hurt her ankle! The good news is that it gets her out of gym class . . . a class she hates. Once it heals, will Sister leap back in, or will she stay sitting on the sidelines.