Second nature urban agriculture. Designing productive cities, edited by André Viljoen and Katrin Bohn, London, Routledge – Taylor & Francis Group, 2014, 300 pp., $55.95 (paperback), ISBN 978-0-415-54058-2 … Continue at source – Second nature urban agriculture. Designing productive cities, edited by André Viljoen and Katrin Bohn, London, Routledge – Taylor & Francis Group, 2014, 300 pp., $55.95 (paperback), ISBN 978-0-415-54058-2