She says: ‘His personality has been described to me as a dark triad coupled with everyday sadism… his physical anger towards others has been witnessed and experienced, leading some to say he is a psychopath.’ Ms Dorries then interrupts and reels off various descriptions of Mr Cummings from those who have worked with him. Talking about Mr Cummings, Mr Johnson said: ‘I’d known about him for a long time and I thought he was probably a highly intelligent and able campaigner, and I broadly felt that he had a drive and energy about him that I wanted to bring to No. The pair discuss Dominic Cummings, an individual Ms Dorries is critical of but whom Mr Johnson thought highly of. This chapter is her first meeting with the PM, shortly after his downfall last summer.

Ms Dorries interviews Boris Johnson many times throughout the book and unsurprisingly he comes across in a positive light.

Ms Dorries heaps praise on the former PM throughout the book (Picture: Getty Images)