(Here's the website listing Hachette's authors, highlighting bestsellers, of course, but like most publishers they have a mob of midlisters.) (harryjconnolly.com)
In fact, as I will now attempt to prove in terms of that other obviously agricultural matter which obviously isn't well known in NYC publishing circles, logic — in terms of talent, on average, agent - selected, traditionally published authors are... third class bestsellers, and quite possibly of less value than even midlisters, or largely indistinguishable from those. (madgeniusclub.com)
They're generally traditionally published, but they're often still midlisters at best. (courtneymilan.com)