The last decade has seen a few good books published that are related in one way or another to Sicilian queens and queenship or to the kingdom the queens knew. Here are a few. The links are descriptions on Amazon's site in the US.

The Daughters of Henry II and Eleanor of Aquitaine: A Comparative Study of Twelfth-Century Royal Women (Colette Bowie). This monograph considers the life of Joanna of England, who married William II of Sicily.

Where Three Worlds Met: Sicily in the Early Medieval Mediterranean (Sarah Davis-Secord). A fine exposition of the historical background of Sicily's multicultural, multiconfessional society.

The Lady Queen: The Notorious Reign of Joanna I, Queen of Naples, Jerusalem and Sicily (Nancy Goldstone). The story of the Angevin queen who ruled the Kingdom of Naples during the fourteenth century. (This book was released in paperback under a different title.)

Book in Honor of Augustus (Gwenyth Hood). First English translation of the chronicle of Peter of Eboli, an important source for the life of Constance of Sicily.

The Kingdom of Sicily 1100-1250: A Literary History (Karla Mallette). Fine introduction to the earliest Sicilian poetry, in Arabic, Latin, French and Sicilian.

The Diary of Queen Maria Carolina of Naples 1781-1785: New Evidence of Queenship at Court (Cinzia Recca). This was a queen of the modern Kingdom of Sicily (later the Two Sicilies), which is described in Appendix 7 of Queens of Sicily.

Travels with a Medieval Queen (Mary Taylor Simeti). Biographical travelogue that traces the footsteps of Constance of Sicily.

Queens of the Conquest: England's Medieval Queens – Book One (Alison Weir). Considers the Norman queens having a close connection to several Sicilian consorts. Judith of Evreux, the first wife of Roger I, was a cousin of William the Conqueror.

Review of Margaret, Queen of Sicily by Jacqueline Alio. A timely review of this monograph.