Registration of Baroque Organ Music by Barbara Owen is a comprehensive guide to the unique and complex art of organ registration during the Baroque period. The book covers a wide range of topics including the history of organ building, the different types of organs and their registration practices, as well as the specific registration techniques used by prominent Baroque composers such as Bach and Buxtehude. Owen provides detailed information on the various stops, manuals, and pedals that were used in Baroque organs, offering valuable insights for organists looking to authentically interpret and perform this music. This book is essential reading for anyone interested in understanding the intricate world of Baroque organ music.