For 10 points, name this novel by Kingsley Amis.
One character in this novel is an artist who is working on a painting called Amateur Model, explaining that the girl posing for it is an amateur who is acting as a model. The protagonist of this novel mistakes a girl at a party for a ballet student named Sonia Loosmore. The protagonist of this novel gives a short speech in which he says that love should not be analyzed, just as nobody analyzes the fact that they like greengages. The various forms of trickery employed by the protagonist include stealing the Barclays' taxi, impersonating a reporter named Beesley, and hiding the evidence that he accidentally burned his host's bedclothes with a cigarette. At the climax of this novel, the title character gives a lecture in which he calls Merrie England one of the most "un-Merrie" periods in English history and mocks Professor Welch. For 10 points, name this novel by Kingsley Amis. 
One character in this novel is an artist who is working on a painting called Amateur Model, explaining that the girl posing for it is an amateur who is acting as a model.
Lucky Jim