This novel's first book is called "Et in Arcadia Ego" and the second book begins when the protagonist leaves his sick wife Celia to sleep in their room during a stormy cruise so he can begin an affair with Rex Mottram's wife, which only ends when the deathbed conversion of Lord Marchmain convinces Julia Flyte to end it.
In this novel, a book about Ned, who died in WWI, is given as a loyalty test. The effete Anthony Blanche interrupts the protagonist's art show featuring his latest series of paintings of Latin American ruins. This novel's first book is called "Et in Arcadia Ego" and the second book begins when the protagonist leaves his sick wife Celia to sleep in their room during a stormy cruise so he can begin an affair with Rex Mottram's wife, which only ends when the deathbed conversion of Lord Marchmain convinces Julia Flyte to end it. For 10 points, name this novel about Charles Ryder's reminiscences about titular Catholic estate, written by Evelyn Waugh.
In this novel, a book about Ned, who died in WWI, is given as a loyalty test.
{Brideshead Revisited}