At any branch, present a current (not expired or altered) State of Mississippi ID with address listed OR a social security card plus one professionally produced piece of mail (no personal mail, junk mail, etc.) that is postmarked within the last 30 days.  The first library card is free;  if you lose a card, just present your identification and $2.00 for a replacement card. Children under 18 must have a parent or legal guardian present identification and fill out a registration card.