9780471289319 | Pap/bklt edition (John Wiley & Sons Inc, October 15, 1986), cover price $34.95 |
About this edition: Consisting of eight stencil-like disks that can be placed over ltten's color wheel to compare cool and warm values, complementary colors, and different hues and intensities, this useful and innovative tool helps designers explore a myriad of harmonious color.