Transcriptions and arrangements of works originally written for other instruments have greatly expanded the guitar’s repertoire. This project focuses on a new arrangement of the Suite in A Minor by Élisabeth Jacquet de la Guerre (1665–1729), which originally was composed for harpsichord. The author chose this work because the repertoire for the guitar is critically lacking in examples of French Baroque harpsichord music and also of works by female composers. The suite includes an unmeasured harpsichord prelude––a genre that, to the author’s knowledge, has not been arranged for the modern six-string guitar. This project also contains a brief account of Jacquet de la Guerre’s life, discusses the genre of unmeasured harpsichord preludes, and provides an overview of compositional aspects of the suite. Furthermore, it includes the arrangement methodology, which shows the process of creating an idiomatic arrangement from harpsichord to solo guitar while trying to preserve the integrity of the original work. A summary of the changes in the current arrangement is presented in Appendix B.