Sheila A. Spector's translation of the Sketch of Christian Kabbalism, by Francis Mercury van Helmont (1614-98), is the first English version of the foundational seventeenth-century treatise appended to Knorr von Rosenroth's compendium, the Kabbala Denudata. After a survey of the historical context in general, Jewish and Christian Kabbalah in particular, and a brief biography of van Helmont, Spector's introduction explains how the author adapted the original Jewish myth for Christian purposes. The bilingual text contains a facsimile of the original Latin on one side, facing the English...