This volume marks the end of twenty years of neurosecretion during which there were five symposia, namely Naples (1953), Lund (1957), Bristol (1961), Strasbourg (1966), and Kiel (1970). In comparison with these symposia an exceptionally large number of papers were read at this the sixth symposium, in London, and for economic reasons it has not been possible to publish all the papers in extenso. The editors have therefore been obliged to undertake the unenviable work of selection, a task made all the more difficult by the excel- lence and importance of contributions of the symposium. We felt...

When a cleverly disguised Grod invasion sweeps planet Earth during the twenty-second century, it appears mankind is about to reach its end. The Grod are determined to eliminate all traces of Human DNA in order to populate the planet themselves. In an effort to eradicate the very heart and soul of humanity, the Grod have also traveled back and forth in time to wipe out any texts of a religious belief that when followed by Humans would make their invasion conflict with the Grod Holy Book.

Now, it is up to one individual to save the planet. As Rayson experiences a sort of awakening,...