Dag Norberg's analysis and interpretation of medieval Latin versification, which was published in French in 1958 and remains the standard work on the subject, appears in English with a detailed, scholarly introduction by Jan Ziolkowski that reviews developments since its initial publication. Norberg examines various themes of medieval Latin metrics and proposes his own empirical solutions. His interpretation attempts to bring much-needed clarification to a controversial and misunderstood subject. In the first four chapters of the book, Norberg analyses the sometimes perplexing technical elements of medieval Latin metrics: prosody; accentuation; synaeresis; diaresis; prosthesis; elision; acrostics; assonance; rhyme; and alliteration. He then turns to some of the metrical devices of the poetry: acrostics and carmina figurata (shaped songs). Two chapters unravel the problems of quantitative and rhythmic verses. Two chapters are devoted to the fractious disputes among scholars over