Palmdale, Calif.-based U.S. Architectural Lighting is offering a 100-page Trilux Lighting Design Book free to landscape professionals. The book features extensive photography and detailed product information on the modular Trilux outdoor fixture. In addition, a CD with the complete Trilux product line is included. To request a copy of the book and CD, contact U.S. Architectural Lighting at 800-877-6537 or visit