Georgina Colby joins us in the studio to discuss our growing recognition of the punk writer Kathy Acker, an experimental late-modernist; Alev Scott on 'Weinsteining' in publishing and what we should do about it; Tove Jansson is best known as the creator of the Moomins, but there is a great deal more to her oeuvre than those strange hippopotamus-like creatures – TLS Arts editor Lucy Dallas visits a new retrospective of Jansson's work