Joy in the Morning is a comic novel: one of P G Wodehouse’s many Jeeves and Wooster tales.

Bertie Wooster - who is not remotely interested in philosophy or any other intellectual pursuits - picks up a copy of the Ethics as a gift for his valet, the much wiser and more knowledgeable Jeeves, which leads to a misunderstanding that develops the plot. As usual, Wooster ends up in a variety of awkward social situations and Jeeves saves the day. The characer of Jeeves is mentioned to have an appreciation of Spinoza a couple of times elsewhere in these stories, but without any detail. In this particular tale, the book could just as easily been any other ‘improving’ work. Nothing other than the name is mentioned.