J J Abrams describes his unorthodox new creation – S; Zadie Smith on her new story The Embassy of Cambodia; Kitty Empire gives her verdict on the new albums by Lady Gaga and Lorde; Matthew Macfadyen and Stephen Mangan on playing Jeeves and Wooster; Hermione Lee discusses her biography of writer Penelope Fitzgerald; movie-industry documentary Seduced and Abandoned reviewed; Neil Gaiman on his new Dr Who short story.