Book reviews, Wild Potatoes (Solanum section Petota; Solanaceae) of North and Central America. D.M. Spooner, R.G. van den Berg, A. Rodriguez, J. Bamberg, R.J. Hijmans and S.I. Lara Cabrera. Systematic Botany Monographs Volume 68, 2004. ISBN 0-912861-68-1, 209 pages; price $40.