Monday is officially Halloween, but there's a lot of activities taking place all weekend long. Here's a sampling from the San Anselmo-Fairfax Patch Events Calendar.
--- You can help out right from your computer this weekend by taking part in , where you can bid on a wide selection of merchandise and services donated by businesses in Marin County and the San Francisco Bay Area through Nov. 5.
-- celebrates its with a wide array of events.
-- Need help navigating your way around the Internet. Take advantage of a Sunday at the .
--- Looking for more to do this weekend? Check out all the events listed for the weekend on our calendar.
--- Do you have an event going that is not in our calendar? Well, our calendar is open for everyone to post your own events and have them go live on the site right away.