How can I mail books cheaply in Canada? [more inside]
posted by Trinkers on May 22, 2007 - 8 answers

What's the best cake to mail? What's the best way to mail a cake? When should I send it to arrive in time? [more inside]
posted by Margalo Epps on May 16, 2007 - 30 answers

Is there a site that tells you how much it costs to mail (US Postal Service) various items? [more inside]
posted by grumblebee on Jul 31, 2005 - 14 answers

In the U.S., is Priority Mail really faster than First Class?
posted by Nikolai on Feb 17, 2004 - 10 answers