RUHSAM M. Cacti of Eastern Brazil. N. Taylor & D. Zappi. Kew: Royal Botanic Gardens, Kew. 2004. 499pp. ISBN 1 84246 056 0. £49.95 (hardback). Edinburgh J. Bot. 2005;61(2-3):198-201. doi:10.1017/S0960428605280277