|This is a brand new book by Joseph M. DiTomaso and Evelyn A. Healy from the University of California at Davis. It is a valuable reference and field manual for weed control specialists, land managers, rice growers, golf course superintendents, landscape professionals, and anybody interested in learning more about identification of important weeds of aquatic and riparian systems. Price, including shipping, is $43.50 for the first book, $41.00 for each additional book. Single book orders can be placed on the web. For multiple book orders, please call the WSSA business office at 785-843-1235. This book can be ordered through WSSA; orders will be processed and the book will be shipped from California. When you place an order on the web you will get a message that the product is not in stock. This is only because the book is not warehoused at the business office location.