The book is published by the LAP - Lambert Academic Publishing Germany and it can be purchased online. The book has been alloted ISBN 978-3-8443-0367-4 and is written by Dr. Mahendra Pratap Choudhary, an internationally famous author, who won more than 10 international awards and recognition in year 2009-2010, whose biography is published in Marquis Who's Who in the World 2009, 2010 & 2011. The book describes the treatment of industrial wastewater through water hyacinth (eichhornia crassipes) for non-potable reuses. It is very useful for the civil/environmental engg. students of UG/PG level as well as for research scholars and academicians. It is a good collection for the libraries.