A richly illustrated guide to the world’s frogs that includes species from every familyWith more than 7,600 known species, frogs exhibit an extraordinary range of forms and behaviors, from those that produce toxins so deadly that they could kill a human many times over to those that can survive being frozen in ice. Frogs of the World is an essential guide to this astonishingly diverse group of animals. An in-depth introduction covers everything from the or...

Biography Explores the Life of George Whitefield, an Important Figure in the Early Evangelical RevivalGeorge Whitefield's bold "born-again" theology and passionate sermons established him as a key figure during the 18th century. Many Christians are familiar with evangelists of this time including Jonathan Edwards and John Wesley, but Whitefield, arguably the most significant member of the trio, often goes unnoticed in the church today.After experiencing a p...