Though the title conjures up fictional fantasy, this is a work of non-fiction, exploring the Earth’s literal underworld, as well as the metaphorical, and the human relationship with them.  Macfarlane delves into caves, mines, glacial crevasses, catacombs, and even nuclear waste storage facilities, examining how these spaces shape our understanding of time, memory, and the future. He connects these subterranean landscapes to human history, myth, and our current ecological crisis, prompting reflection on our role as ancestors to future generations. Register at https://us02web.zoom.us/meeting/register/AIm06zYJTkuoW4b6iXILXg.