Published family histories can save or sink your research. Follow our advice for finding these potential genealogy treasure troves and mining the good information while weeding out the bad.

I've determined the information on my own birth certificate is incorrect. Should I submit the correct information to the state so my descendants aren't as confused as I was?

Someone just copied my online family tree and is calling it her own -- and she's adding incorrect information. What can I do?

It's not all rainbows and unicorns out there: Even the happy world of family history has its villains. The mere mention of these bad guys gets genealogists' blood boiling.

Get the scoop on your family with Ancestry.com's Historical Newspaper Collection.

You've got questions about discovering, preserving and celebrating your family history; our experts have the answers.

Learn how to preserve your online legacy and archive your e-mails.

With nearly a billion searchable historical records, the new FamilySearch.org offers brilliant possibilities for furthering your research. Our guide spotlights tips and hints for making the most of the website.

It's all about photos this month, as host Lisa Louise Cooke explores Flickr, gets advice from Photo Detective Maureen A. Taylor and talks digital photography with Nancy Hendrickson. Plus: Tips on new deals at ShopFamilyTree.com, news from the blogosphere and advice for preserving digital images.

Look for these signs to spot errors in your family tree.