1. Islands of profit in a sea of red ink : why 40% of your business is unprofitable, and how to fix it /: why 40% of your business is unprofitable, and how to fix it. (2010) Other Names: Byrnes, Jonathan L. S Record Type: Book Extent: 1 online resource (xiv, 289 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗