HRBK01 - The Essence of Magicka and the Enemies of Knowledge
HRBK02 - The Frictions of Magnus
HRBK03 - Second Treatise on Shadow Magic
HRBK04 - The Knights of the Rose
HRBK05 - A Note of Memoirs and Urgency
HRBK06 - The Ballad of Wayrest (Book format) 
HRBK07 - The Ballad of Wayrest (Note format)