Just make sure the ship/plots are 95% legal, no pedephelia or insest.

After requesting a story to me, give me a few days to write it, if I haven't tagged you in a comment for the story within three days, pm me and I'll explain why. 

You also have an option to have me pm you the story to see if it's up to your standards.

If you want to actually write and have your own story in this book, just pm it to me.

Enjoy.