This may sound like an unprofessional and very likely stupid question, but I had to make certain before giving up entirely: I was wondering whether it was alright to send a revised query letter to your agency when the first has not been replied to yet? I know that the query letter you send should have been edited and revised until it was polished but I just have to ask.
Hey, we all make mistakes. In fact, just recently I sent an email out to an editor, querying a book, with a major grammatical error in the subject heading. It happens. I don’t think the editor judged me or the submission any less.
You must have caught me on one of those days because I’m of two minds on this. First of all, yes, I would rather the query be right the first time, but as everyone knows sometimes it takes a few days or months and a few rejections before you realize it isn’t right. And in the end I think I would rather not miss out on an opportunity than have one less query in my inbox. But do you send it while still waiting for an answer? That does feel like it’s mucking up my inbox to me. People do it all the time though.
The truth is that unless I happen to read the queries in backward order and notice that you’ve sent the revised and asked me to delete the original, I will probably just end up reading them both and wonder if they were both sent accidentally or on purpose.
So here’s what I’m going to say: Just send the revised one whenever you want to.