E. Lockhart, author of 'We Were Liars', has written a new novel called 'We Fell Apart' that makes connections to the Sinclair family. The release of this new book coincides with discussions about a second season of the 'We Were Liars' series, with some outlets reporting on production and casting updates. The relationship between the book series and the television adaptation is being explored, with mentions of differences between the two and potential new storylines.