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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Charlie Lewis Lancaster University, UK

Charlie Lewis is Professor of Family and Developmental Psychology at Lancaster University, United Kingdom. His research focuses on both preschoolers’ social cognitive skills and the influence of family factors on that the nature and development of these skills. He has written or edited sixteen books and several research papers not only on cognitive, social cognitive, and social development in typical children, but also in atypical populations, particularly children with autism. His current research includes studies on the development of executive function skills in preschoolers and children with developmental difficulties.