It's in the Art to Heart book called 'I Believe'.
Here is a link to the wallhanging pattern in the book, that very well could have been used for her mugrugs:
http://quiltybitsnwhatnots.blogspot....1_archive.html
(I have the I Believe fabrics, so her mug rugs looked very familiar, so I googled merry christmas quilt. The links took me to this blog.)