MyFonts is not yet authorized to sell this font directly. However, Bitstream and Tilde offer the font for sale at MyFonts:

$99

Lydian™

family of 4 fonts from Bitstream

$99.75

Lydian

family of 4 fonts from Tilde

You may be able to find this font at the following web site:

• Fonts.com by Monotype Imaging