The color(s) This mark consists four colors of blue. CMYK colors are 52, 21, 2, 0; 85, 50, 0, 0; 95, 69, 20, 5; and 98, 75, 6, 0 is/are claimed as a feature of the mark.
The mark consists of An alternating stack of books in three different shades of blue, next to the Perma-Bound registered logo and the words Series Tracker.