I Know Why the Caged Bird Sings

I Know Why the Caged Bird Sings by Maya Angelou has been banned or challenged in many places for a variety of reasons, including:
Racism: The book's portrayal of racism has been a reason for banning it.
Sexual abuse: The book's depiction of sexual abuse and rape has been a reason for banning it.
Profanity: The book has been challenged for containing profanity.
Inappropriate for children: The book has been challenged as being inappropriate for children.
Anti-white: The book has been challenged for being "anti-white".
Encouraging homosexuality: The book has been challenged for encouraging homosexuality.

This book has been used but it's an American classic and worth the wear.