Jonathan Strange & Mr Norrell, written by Susanna Clarke, is a remarkable gaslamp fantasy novel set in an alternate version of 19th-century England. The story revolves around two magicians, Gilbert Norrell and Jonathan Strange, who bring magic back to England. As they delve deeper into the world of magic, they uncover dark secrets and face supernatural challenges. Clarke's intricate storytelling and meticulous attention to historical detail make this book a must-read for fans of gaslamp fantasy.