Elana is something of a query letter ninja, and she has even published a book all about it. In a recent post on her blog, Elana discusses basically why you need to write your cover copy (that chunk of print you read on the back of a book to see if it's any good) as your query letter. Elana did, and her query letter ended up as her cover copy! Here's a snippet of what she had to say:
"every single word in the query letter is crucial. You never know which ones are going to make it all the way through to the book. "
Elana's point is that your query must be beyond awesome, or BEAWESOME! Go check out the entire post, you won't want to miss it.