I use the book by Kunzle-Watson and Shulman.
Kunzle-Watson is by far the MOST informative book for beginning skaters. It gives very detailed drawings on how to perform moves, from stroking and crossovers to turns and edges.
However, when I got to FS1, I found Samuels' book more useful than it was before, because it also discusses moves like spirals, waltz jumps, and simple spins.
Shulman's book is a nice reference for jumps and spins, but not for beginner moves. It has a lot of typos, though: the words "left" and "right", "counterclockwise" and "clockwise", etc, are sometimes interchanged!