At a casual glance, it might seem that Celtic design should be simple, with no drawing skill required.  A closer look, however, reveals a rich interweaving of forms that need to be laid out rather precisely so that everything comes out even.  Aidan Meehan has a series of books that do an excellent job of teaching the steps needed to create this type of art.  A Beginner's Manual covers simple key patterns and spirals, half unicial script and the decoration of letters.

                   $15.95