How about these articles:
http://www.sqlservercentral.com/articles/Miscellaneous/allabouttransactionspart1/1583/
http://www.sqlservercentral.com/articles/SQL+Puzzles/allabouttransactionspart2/1586/
Michael L John
If you assassinate a DBA, would you pull a trigger?
To properly post on a forum:
http://www.sqlservercentral.com/articles/61537/