Cognitive Issues]. Barcelona: Editorial Reverté.

Manifesto’, which opened this journal, there are two different senses of the term ‘biolinguistics’, a weak one and a strong one. Their own words illustrate: “The weak sense of the term refers to ‘business as usual ’ for linguists, so to speak, to the extent that they are seriously engaged in discovering the properties of grammar ” (Boeckx & Grohmann 2007: 2). With regard to the second (strong) sense, it “[…] refers to attempts to provide explicit answers to questions that necessarily require the combination of linguistic insights and insights of related disciplines (evolutionary biology, genetics, neurology, psychology, etc.) ” (p. 2). The book reviewed is one of the most important references in the second (strong) sense of ‘biolinguistics ’ which has been published to date. This piece of impeccable scholarship pursues two main aims. Firstly, it provides the reader with an impressive and completely up-to-date overview on the genetic and mole-cular (and, by extension, biological) foundations of language. In this respect, it suffices to say that whereas the discussion about the genetics of language is usually restricted to the role of the ‘famous ’ FOXP2 gene, the book refers to (an