Opinions on Re-Querying Agents

November last year, I started to submit my fantasy YA novel to agents. I freely admit that I committed one of the major cardinal sins of writers - querying too early. Since then, I have editing and polished the MS until it shone, with the help of some very talented beta readers. The story is much stronger now than it had been back in November. I honestly can't think of anything that I would change in the story.

That said, I accumulated a lot of rejection letters from my first query-go-around f...