Quote Originally Posted by MsJudy View Post
Actually, 20-25K is harder to get published than 30K+. The trend since Harry Potter has been towards longer books, and more of a clear separation between middle grade novels and chapter books, which are usually under 10K. Part of the reason is that chapter books and early/shorter MG books are a phase kids grow out of. One year, two, maybe three at the most, and then they're ready for longer, more meaty books. So from a money-making standpoint, there's more profit to be had from the books for older readers, when you have a longer window of time to catch them and keep them coming back for more.

Of course, there are always exceptions to the rule. And contemporary/literary tends to be much shorter than fantasy. As Britwriter says, all you need is the number of words necessary to tell your story, and not one more.
That makes sense.