Book excerpt: This Handbook provides a comprehensive, state-of-the-art overview of theoretical and descriptive research in contemporary Hispanic sociolinguistics. Offers the first authoritative collection exploring research strands in the emerging and fast-moving field of Spanish sociolinguistics Highlights the contributions that Spanish Sociolinguistics has offered to general linguistic theory Brings together a team of the top researchers in the field to present the very latest perspectives and discussions of key issues Covers a wealth of topics including: variationist approaches, Spanish and its importance in the U.S., language planning, and other topics focused on the social aspects of Spanish Includes several varieties of Spanish, reflecting the rich diversity of dialects spoken in the Americas and Spain