By Christina Amoroso
Updated August 01, 2009 at 04:00 PM EDT

On Tuesday, we showed you the cover of mother-daughter team P.C. and Kristin Cast’s sixth book, Tempted, in the best-selling House of Night series. P.C. and Kristin also chatted with Shelf Life about how they work together as a team. And for more with P.C., pick up this week’s issue of EW, on stands now.

EW: It’s very interesting the whole mother/daughter dynamic and working together and working on this series together, so tell me a little bit about the mother/daughter working relationship.

PCC and KC: We get this question all the time.

KC: I confer as an editor, almost. She will write the first draft, and I will go back in and fill in the parts that she hasn’t, like the descriptions, or similes and metaphors, or the the plot references. I do a lot of those. But if there’s a word that I can tell one of the teenagers wouldn’t use, I’ll change that and use the comment bubbles and put notes all throughout it, and she goes back and reads it and rewrites it…and then we send it in.

PCC: People are always like, “So how has this changed this relationship?” It surprised us when we first started getting the questions, because we have always been so close that it’s very easy. It’s very easy between the two of us, because we had been communicating well for, I mean, she’s 22 ½.

KC: Actually, the only thing that’s different now in our relationship now versus before we started the series together is that when we travel, we get to go to cooler places. But we have always been really close. It’s just been the two of us for pretty much 22 years, so nothing has really changed. We still have an excellent relationship, and I love working with her.

PCC: We’ve been communicating really well and easily about everything for 22 years. People are like, “The sex parts, isn’t that kind of awkward?”

EW: I wanted to ask about that; was that weird for you?

PCC: I’ve had sex talks with Kristin before. Our communication has been very good for a lot of years, and if you have good communication with anyone, that means you can talk about just about anything and be very honest with each other, too. I mean, she can tell me, “No mom, that sucks.”

KC: Now that I’m her partner in this, I get to tell her when she’s wrong, and she’ll listen to me.

EW: And you take it well, P.C.?

PCC: Well, I’m going to tell you that I do. Initially sometimes I say, “You’re breaking your mother’s heart,” and I throw a big fit. But no, we kid around back and forth with each other. So a lot of the sense of humor dynamic in the book is a reflection of our sense of humor. We have a good working relationship, and we have a sense of humor about things. And, you know, I know I completely trust my daughter, and so if she has an opinion about something, I value it, because I trust and value her opinion about lots of things. I think it’s just the way the relationship is. It’s no different writing than it is when she goes with me when I’m trying to find a bathing suit. It’s the same thing.

EW: Is that what she does, Kristin?

KC: Well, she used do the mommy tune-out thing, like, “No, no it’s perfect the way it is; it’s fabulous,” but then our editors started agreeing with me. And now that that’s been happening more and more often, she has to listen to me. And she does. It’s a lovely feeling.