The single pattern, featuring two different versions (fingering weight version and worsted version) is available on Patternfish.
The Luscious version of this pattern is part of Coffee Break Knits, a limited edition booklet launched at Sock Summit 2011.
This pattern is also KIT #19 in Feed Your Creativity 2011.
Gauge for fingering weight:
24 sts and 32 rows= 4” over st st
Gauge for worsted weight:
18 sts and 24 rows= 4” over st