Displacement is a fundamental property of human language, and the restrictions on displacement have been a central concern in generative grammar ever since Ross' (1967) ground-breaking observations of island constraints. While island phenomena have been investigated in detail from various perspectives, a different domain, the domain of Freezing, originally defined in terms of non-base structures, has received far less attention. This volume brings together papers that address the questions of: What are the different concepts of Freezing? Which empirical domains can they explain? Is Freezing a...