This text is one of the primary original sources for the popular Grimorium Verum.

His system was used and adapted by the Hermetic Order of the Golden Dawn, and subsequently by Aleister Crowley. This new edition of John Dee's Five Books of Mystery is by far the most accessible and complete published to date.

In spite of this, neither a critical edition nor a translation has been previously published. In particular three manuscripts of Lucidarium have come to light recently, which provide a clearer and fuller ritual than the printed Heptameron.

This book was borne out of the heart of a dad grieving the deep loss of his oldest daughter.

During a deadly Chicago heat wave that's claiming hundreds of lives, Robert, who's stuck in his apartment alone, fears he's going to be the next victim.