Epic Sherlock Holmes novel set for the stage 22nd December 2018 Local News Local News A THRILLING new adaptation of The Sign of Four, Sir Arthur Conan Doyle’s epic second Sherlock Holmes novel, opens for a three-night run at Lighthouse, Poole’s Centre for the Arts next month. Share this:TwitterFacebookWhatsAppEmailPrintMoreLinkedInRedditTumblrPinterestPocketTelegramSkype