In Re:development: Voices, Cyanotypes and Writings from the Green Backyard, editor and artist Jessie Brennan brings together a range of contributors to reflect on a grassroots communal growing project in Peterborough, ‘The Green Backyard’. Including the voices of those involved in the development of the site, this beautifully presented volume offers materially grounded insight into the importance of communal urban green spaces, writes Helen Traill