Gematria Refigured by Rabbi Elie Feder is a book that explores the method of gematria, which assigns numerical values to Hebrew words, to understand how the Torah conveys ideas through numbers.

Avishai Margalit, a prominent philosopher, delves into the intricacies of betrayal in his book "On Betrayal," examining the connections and distinctions among actions like adultery, treason, and apostasy as breaches of trust.

Avishai Margalit, a prominent philosopher, delves into the themes of betrayal in his book "On Betrayal," examining the nuances between adultery, treason, apostasy, and other forms of trust breaches.