Expert evidence frequently wins or loses cases. The importance of handling that evidence properly is therefore paramount. Fundamental to this is the application of privilege. Indeed, thorny privilege issues - relating to expert documents, drafts, communications, instructions, collateral use, joint statements, statements of replaced experts, etc. - come up time and again in practice. This book approaches 'expert privilege' as a subcategory of privilege of its own. This is not because it is defined by a uniform subset of rules that apply to all situations in which expert material is at issue,...