To mark its golden jubilee, the Friends of the Key West Library, 700 Fleming St., are hosting a bash from 4 to 6 p.m. on Wednesday, Dec. 7. The “Key West Library 2.0, Past, Present and Future,” will include backstage tours of the cutting-edge technology, the Florida History Room, and the Palm Garden, along with a peek into the library’s intriguing history. The community are welcome to join the party, eat celebratory cake and throw back refreshments.