Discrimination is when you treat someone in a disrespectful manner based on their age, sex, race, etc.
Age discrimination is when you disrespect someone based on their age.
For example, a cashier follows a teenager around the store because they believe they are going to steal something since they're young and naive. Or, not letting an elder in to a club because they're too old to dance.
D she cowrote it with her Husband
The author should use 1st person when speaking AS the character. 3rd person is when speaking FOR the characters, like, " Mary and Lynne ran across the field. "