In the future of Earth advanced genetic engineering allows humans to mass produce sapient synthetic living beings with programmable minds and memories.
When a mysterious school legend resurfaces, Sunset takes it upon herself to catch the terror. Luckily, she won't be alone. (First book of the MoE series)
A duo of short stories following the prompt, "In Over Your Head". Testing the Limits: Rainbow Dash gets creative with her Wonderbolts exam. Anon Overload: when Anon steps through the portal to Equestria, he discovers he wasn't the first.