This website reviews movies, books, and games for violence, intimacy, swearing, positive role models, positive messages, educational value and more. 

This website warns you about emotional spoilers (like the dog dying in the end) for movies, TV shows, and books.

Use the Look Inside feature on most print (not digital) books to search how many times certain words occur in a book. Do a search for swear words, body parts, blood, etc., to see if the book aligns with your values.