Bumble Bee Economics The catalog of: Northern Bee Books Scout Bottom Farm Mytholmroyd Hebden Bridge West Yorkshire HX7 5JS England tel: 01422 882751 fax: 01422 886157 e-mail: [log in to unmask] lists the book for 11 pounds Dr. Francis L. W. Ratnieks Department of Animal & Plant Sciences University of Sheffield Sheffield S10 2TN, U.K. tel: 0114 282 4316 fax: 0114 276 0159 e-mail: [log in to unmask]