Pioneering scholars, poets and radicals - in pictures

The publisher Blackwell’s was once home to authors including JRR Tolkien, Dorothy L Sayers and Vera Brittain. It also published many lesser-known radical writers and illustrators. Here is a selection of the fascinating titles revealed in a new history

• Buy Scholars, Poets and Radicals: Discovering Forgotten Lives in the Blackwell Collections, by Rita Ricketts