Colin Baker is Emeritus Professor of Education at Bangor University. He has three bilingual children and has given talks for over 20 years to parents and teachers on bilingualism. His many publications on bilingualism include Foundations of Bilingual Education and Bilingualism, which has been translated into Japanese, Spanish, Latvian, Greek and Mandarin and is now in its 5th edition (2011).

Nancy H. Hornberger is Professor of Education and Director of Educational Linguistics at the University of Pennsylvania, USA. Recent three-time Fulbright Senior Specialist, to Paraguay, New Zealand, and South Africa respectively, Hornberger teaches, lectures, and advises on multilingualism and education throughout the world and has authored or edited over two dozen books, including most recently Can Schools Save Indigenous Languages? Policy and Practice on Four Continents (Palgrave Macmillan 2008), and the ten-volume Encyclopedia of Language and Education (Springer 2008).

Acknowledgements
Jim Cummins: A Biographical Introduction
Section One: The 1970s 
A Theoretical Perspective on the Relationship between Bilingualism and Thought 
The Influence of Bilingualism on Cognitive Growth: A Synthesis of Research Findings and Explanatory Hypotheses 
Immersion Programs: The Irish Experience 
Linguistic Interdependence and the Educational Development of Bilingual Children 
Research Findings from French Immersion Programs Across Canada: A Parent’s Guide
Section Two: The 1980s 
The Entry and Exit Fallacy in Bilingual Education 
Tests, Achievement, and Bilingual Students 
Learning Difficulties in ‘Immersion’ Programmes
Empowering Minority Students: A Framework for Intervention
Psychological Assessment of Minority Students: Out of Context, Out of Focus, Out of Control? 
From the Inner City to the Global Village: The Microcomputer as a Catalyst for Collaborative Learning and Cultural Interchange 
From Multicultural to Anti-racist Education: An Analysis of Programmes and Policies in Ontario 
The Role and Use of Educational Theory in Formulating Language Policy 
Section Three: The 1990s
Heritage Language Teaching in Canadian Schools 
Empowerment through Biliteracy 
Multicultural Education and Technology: Promise and Pitfalls
Babel Babble: Reframing the Discourse of Diversity 
Cultural and Linguistic Diversity in Education: A Mainstream Issue? 
Alternative Paradigms in Bilingual Education Research: Does Theory Have a Place?
Curriculum Vitae