Jonathan Strange & Mr Norrell, written by Susanna Clarke, is a captivating gaslamp fantasy novel set in an alternate version of 19th-century England. The story revolves around two magicians, Jonathan Strange and Gilbert Norrell, as they bring magic back to England and become embroiled in a battle against dark forces. With its meticulous attention to historical detail, intricate plot, and enchanting prose, this book is a must-have for any black friday gaslamp fantasy book collection.