Mercury is always in retrograde.
Included among their calendar of sun sign choices was FLOATERS, in the apropos house of pisces. According to them:
Pisces are known to be the gentlest souls of the zodiac. True to their symbol, most of the Pisces individuals are found to enjoy water related sports and activities. Their list of hobbies involve reading, dancing, fishing, water sports, cooking, collecting furniture or dishware.
Check out their full list for the other signs and 11 more books over on the Night Worms blog.