Theo Hobson: Jean-Jacques Rousseau – part 1: The philosopher's thought still has the power to challenge our deepest assumptions on identity, religion and the Enlightenment
John Dugdale: The BBC's adaptation of The Three Musketeers departs strikingly from the original, with its 23-year-old D'Artagnan, its Made In Chelsea lookalike and its pistols, but such liberty-taking ignores Dumas's influence as a seminal historical novelist
Beulah Maud Devaney: Charlotte and Emily Brontë gave us romanticised, byronic heroes, but Anne refused to wear rose-tinted glasses when dealing with male alcoholism and brutality
Bob Dylan called him his first New York muse, yet Dave Van Ronk never gained the recognition he deserved. Inside Llewyn Davis draws on his story. By Richard Williams
As Steve McQueen's Oscar favourite 12 Years a Slave opens at cinemas, Sarah Churchwell returns to the 1853 memoir that inspired it – one of many narratives that exposed the brutal truth about slavery, too long ignored or sentimentalised by Hollywood