When it pays to hire an editor

A growing number of writers are using professional editors, but they're not always using them for the right reasons, Jane Friedman writes, before listing three reasons to consider doing so: "If you’re hoping an editor will wave a magic wand and transform your work into a publishable manuscript overnight, you’ll be disappointed by the results. But if you feel you’ve come to the end of your own ability to improve the work, you’re more likely to benefit."