This is a simple lace pattern that is easy to memorize, but you must be able to read a chart.
100g of sock yarn will make the scarf.
Edits:
Version 1.1 fixed an error in the chart.
Version 1.2 adds a description of KLL and KRL.
Errata
In the key for the chart, it should read “ - p on front, k on back”
Yarn weight: Bulky
Gauge: 14 stitches = 4 inches in Stockinette stitch
Needle size: US 10 - 6.0 mm
Yardage: 528 yards (483 m)
My library received the update so this pattern is the most recent version.