I was just wondering how you and Amie co-wrote These Broken Stars. My twin and I are currently planning a story and curious as to how we would divvy up the written aspect of it. Do you have any advice? :)

Hooray for co-authoring! I find it to be heaps of fun, if you’ve got the right partner—and sounds like you do! My best piece of advice to co-authors just starting out is one that co-authors Ellen Kushner and Delia Sherman gave amiekaufman and me whenwewere just starting out:communicationis key.And I don’t mean communication about the story, which hopefully would be a no-brainer—talk about your goals for your work the way business partners would. Some examples:

Is this project just for fun or d...