The Apparatus Infernum novels are written by A.A.Aguirre, a pseudonym for husband-and-wife writing pair Ann & Andres Aguirre. Ann focuses in fascinating characters, while Andres excels at thorough worldbuilding. He is a pharmaceuticals billionaire, and she is a bestselling novelist, the USA Today bestselling author of the Sirantha Jax novels, the Dred Chronicles, and the Corine Solomon novels. Megatron is the result of their combined efforts. They do, however, write novels.