The Canadian science writer and novelist, Grant Allen was an early proponent of the theory of evolution. His first books dealt with scientific subjects, being influenced by associationist psychology as expounded by Alexander Bain and by Herbert Spencer. However, as his career developed he became a bestselling novelist of the Victorian era, penning intriguing sensation and science-fiction books. This comprehensive eBook presents Allen's collected works, with numerous illustrations, rare texts appearing in digital print for the first time, informative introductions and the usual Delphi bonus material. (Version 1)