- You may be looking for the real world novelisation.
Doctor Who and the Auton Invasion was a book that was cited when the Eighth Doctor mentioned that he was unsure if he was a renegade, a President, exiled to Earth or his homeworld, whether he had a mother or whether he had been processed out of some diabolical gene-splicing machine, or if it had all been some peculiar distraction or fantasy. (PROSE: Bafflement and Devotion)
Behind the scenes
This is a in-universe counterpart of the real world Target Books novelisation Doctor Who and the Auton Invasion that exists within the Doctor's universe. It was referenced as a fictional citation in Bafflement and Devotion.