School refusal affects up to 5% of children and is a complex and stressful issue for the child, their family and school. The more time a child is away from scho

In this volume outstanding specialists review the state of the art in nervous system research for all main invertebrate groups. They provide a comprehensive up-

An eminent geneticist examines the Darwinian theory of evolution, analyzes the hereditary differences that produce new species, and suggests changes in evolutio