This special issue arose from an Economic and Social Research Council funded seminar series (Child Anxiety Theory and Treatment, CATTS). It highlights four themes in theories and research into child anxiety.

Field, Cartwright-Hatton, Reynolds, Creswell, Child Anxiety Theory and Treatment: Past Present and Future. Muris, Field, Distorted Cognition and Pathological Anxiety in Children and Adolescents. In-Albon, Klein, Rinck, Becker, Schneider, Development and Evaluation of a New Paradigm for the Assessment of Anxiety Disorder-specific Interpretation Bias Using Picture Stimuli. Creswell, Woolgar, Cooper, Giannakakis, Schofield, Young, Murray, Processing of Faces and Emotional Expressions in Infants at Risk of Social Phobia. Field, Lawson, The Verbal Information Pathway to Fear and Subsequent Causal Learning in Children. Tiwari, Podell, Martin, Mychailyszyn, Furr, Kendall, Experiential Avoidance in the Parenting of Anxious Youth: Theory, Research, and Future Directions. Gifford, Reynolds, Bell, Wilson, Threat Interpretation Bias in Anxious Children and Their Mothers. Perez-Olivas, Stevenson, Hadwin, Do Anxiety-related Attentional Biases Mediate the Link Between Maternal Over Involvement and Separation Anxiety in Children? Bögels, Bamelis, Bruggen, Parental Rearing as a Function of Parent’s Own, Partner’s, and Child Anxiety Status: Fathers Make the Difference. Carter, Williams, Silverman, Cognitive and Emotional Facets of Test Anxiety in African American School Children.