Reference
These are general reference books I've found helpful for lighting design work.
The Backstage Handbook: An Illustrated Almanac of Technical InformationPhotometrics HandbookPocket Ref
The Backstage Handbook: An Illustrated Alma...
by Paul Carter
$22.00		Photometrics Handbook
by Robert C. Mumm
$22.43		Pocket Ref
by Thomas J. Glover
$9.32