Book excerpt: This revised edition of the successful primer thoroughly covers fundamentals of lighting design, and also serves as a handy reference for professional designers. The Fifth Edition is more comprehensive than ever, with new information on LED, energy efficiency, and other current issues. In addition, it includes more information for drawing ceiling floor plans and the application of designs to specific types of interiors projects. Considered a "key reference" for the Lighting Certified exam, no other text combines both technical and creative aspects of lighting design for beginners and novice designers.