Mysql_real_escape_string(htmlspecialchars( $value )); is enough? how can I easly improve it?

No, that is not enough. You should use mysql_real_escape_string to prevent sql injection attacks.

Mysql_escape_string($value) is a bit smarter when sanitizing strings that will be used in an SQL query.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.