Several publications I'm targeting say to send the complete manuscript in their listing in Writer's Market. It seems to me that a query would save me a lot of time if they don't like the concept. It would be a huge waste of energy and time to complete a magazine manuscript and send it in and then get it rejected. Can I assume that if they ask for a completed ms that they feel in their hearts that they have a relatively high acceptance rate? Can I conclude that they wouldn't ask you to invest all that time and energy if they thought there was a good chance they might reject the concept?