In Miserere Mei, Clare Costley King'oo examines the critical importance of the Penitential Psalms in England between the end of the fourteenth and the beginning of the seventeenth century. During this period, the Penitential Psalms inspired an enormous amount of creative and intellectual work: in addition to being copied and illustrated in Books of Hours and other prayer books, they were expounded in commentaries, imitated in vernacular translations and paraphrases, rendered into lyric poetry, and even modified for singing. Miserere Mei explores these numerous transformations in materiality...