The novella - a book that you can devour in a day, or even a single sitting. Feared by contemporary publishing but loved by readers, some of the most enduring works of literature, from Death in Venice to Mrs Dalloway to The Stranger, can be included in this category. This month we were joined by a writer of very good, very short books, Welsh author Cynan Jones, so without further ado, we dedicate this episode to the pithy brilliance of short novels.