Letters to Christopher: Stephen Spender's Letters to Christopher Isherwood, 1929-1939 (1980), edited by Lee Bartlett, is a collection of letters Spender sent to his great friend the poet Christopher Isherwood during their early years as writers and political activists.

World within World (1951; reissued in 2001) is Spender's autobiography. The book explores his life, his friendships, and his unspoken bisexuality.

W. H. Auden's Selected Poems (1989), edited by Edward Mendelson, provides the original versions of many of Auden's poems, which he revised later in his career as his ideologies matured. Auden and Spender met in their twenties and maintained their friendship throughout their lives.

The Berlin Stories (1946) combines Christopher Isherwood's two finest novels, The Last of Mr. Norris and Goodbye to Berlin, in one volume. These stories of exile, which meld Isherwood's real life with an imaginary life, formed the basis for the Broadway...