Good Girl Games is an erotic chapbook, 30 pages, of ageplay themed poetry by two collaborators, Kristin Garth and Yara S. Nerida. Both women write about their experiences, thoughts and fantasies about being “middles.”
In an interview Garth and Nerida did with each other in Rhythm & Bones, Nerida explains “middles” like this:
Garth and Nerida both write poetry back and forth about how their middleness manifests sexually. You can read a bit of a review of Good Girl Games by Nikolai Garcia here, and the rest of the review you can read at Goodreads here.