What resources does Patrick Madrid recommend to counter arguments claiming Easter has pagan origins, as discussed on The Patrick Madrid Show on Relevant Radio podcast?

Patrick Madrid recommends the resource "Catholicism and Fundamentalism" by Karl Keating to counter arguments claiming Easter has pagan origins. This book likely provides historical and theological insights to debunk misconceptions about the origins of Easter and its connection to pagan rituals. Madrid suggests utilizing this resource to address and refute claims that Easter is rooted in pagan traditions, emphasizing the historical and religious significance of the holiday within the context of Christianity.