... on the burning question of "What would have happened if Macbeth had access to Vorkosiverse reproductive technology?" As you do. (No, it isn't really a crossover. It may be shamelessly self-inserty.)
Mike Adams, Justina Vorrutyer, and Wyx Hargraves, Authors of Macbeth. Makes use of places and concepts from Gentleman Jole and the Red Queen, but totally OC-centric and not otherwise spoilery.