Adrian Mole and the Weapons of Mass Destruction joke in the book is that Adrian does not know whether Mr Carlton-Hayes' partner Leslie is a man or a woman; this is never made clear. Although they are from different backgrounds, he and Adrian share an appreciation of literature, contempt for Michael Flowers, and a similar reservation about expressing their feelings. It is revealed in that Leslie is a man and implied they both left their wives for their relationship. Pauline is Adrian's mother, and plays less of a role in the story than in previous books. Like Adrian, Pauline is inclined to spend using money she hasn't got.
Adrian Mole: The Prostrate Years that he might retire and leave the shop to Adrian. He is occasionally absent from work due to ill-health and eventually spends a short stay in hospital with back trouble, where he becomes somewhat addicted to reality TV programmes. Towards the end of the book, Mr Carlton-Hayes is forced to close the bookshop due to lack of finances. Brett is the illegitimate son of George Mole and Doreen Slater. Initially a successful businessman, he visits Adrian's parents following Doreen's sudden death and is frequently arrogant and degrading towards Adrian and Bernard. He later loses his fortune and hangs around "The