Sign up or renew your library card in September at North Suburban Library District and be entered into a drawing for a prize. Visit either NSLD location, Loves Park or Roscoe, or use the PrairieCat Mobile app to register for a library card or renew an existing one. Kids ages 5-17 are eligible to sign up for a card with a parent or guardian. Residents of NSLD can get a library card at no charge.