Donate needed books to the GSC Ana Sisnett Library. Browse the SGC Ana Sisnett Library in person or online. Visit the GSC for a picture book reading station and snacks. Join in with #GSCReads: how do you connect with the GSC Ana Sisnett Library? This year the GSC is celebrating GSC Library Day! This is a day to promote the GSC Library to our students, and to let our community and supporters know what we offer, and the necessary books and videos that we need your help to add to the Ana Sisnett Library.