The Knouen Group, through Entaecan Publications, has published “Commercial and Residential Cleaning Services: A Resource Guide to Developing and Maintaining Your Own Janitorial or Home Cleaning Business,” by Walter Fenix.

The book is available in a 306-page, trade paperback edition. Fenix’s “Cleaning Services Bid Estimation: A Resource Guide to Cleaning Services Bid Estimating, Word Loading and Cost Accounting” is also available.