Granta's spring issue, guest-edited by award-winning writer Rana Dasgupta, explores membranes of the tissue, self, collective, nation, species and cosmos. It features new poetry by Andrew McMillan, Tishani Doshi and Ida B,rjel, a new translation of Vladimir Mayakovsky by Ilya Kaminsky and Katie Farris, as well as photography from Anita Khemka, Arturo Soto and M,nica de la Torre. Granta 151: Membranes showcases cutting-edge fiction from Lydia Davis, Fatin Abbas, Steven Heighton, J. Robert Lennon, Mahreen Sohail and Chloe Wilson, plus a host of thought-provoking essays: — Emanuele Coccia on birth, metamorphosis and the very strange miracle of life— Mark Doty on gentrification and homelessness in New York City— Anouchka Grose on infidelity and the idea of the unwanted third— Ruchir Joshi on all those kids his son once was— Kapka Kassabova on Lake Ohrid— Anita Roy on the great crested newt— Esther Woolfson on the relationship between humans and animalsPlus: Eyal Weizman in conversation with Rana Dasgupta, on contemporary architectural strategies for repelling and dividing people.