Accept and continueAdmittedly, the real reason Gatiss is returning with his own murder mystery during the summer months is more prosaic: “It’s when we’re on.” The U&Alibi crime drama Bookish returns for its second outing in August, and while the new series doesn’t visit sunny climes, it does move away from its bookshop setting in Archangel Lane. “A murder mystery is a puzzle, and we have for a long time liked a puzzle with a dead body,” Gatiss muses. UKTVIn the first season, we discovered that Gatiss’s bookseller detective Gabriel Book is gay in 1946, when homosexuality was still illegal. Bookish returns in August on U&Alibi.