Have you seen this site? It reviews kids' books, tv shows, movies, games, internet sites, apps, etc. by age, and has a comprehensive list of what to expect--the message, the role models, and if there's any violence, sex, etc..
It's really well done and is full of useful information.
Family Entertainment reviews and ratings for movies, television, video games, music CDs, books, and websites. Common Sense Media helps parents choose what's best for their kids.
