In a reference for teachers, scholars, and others, Lipski (Spanish and linguistics, Pennsylvania State U.) describes the Spanish spoken in the US by people from various Latin American and Caribbean countries, including for each kind of Spanish a discussion of both demographics and current scholarship. Other topics are the importance of Spanish in the US, Spanglish, traditional varieties in New Mexico and Louisiana, and language mixing and code switching. Annotation ©2009 Book News, Inc., Portland, OR (booknews.com)