This book focuses on the evolution of object clitics in the Romance languages (from now on, simply clitics). Cliticization is a major domain of research in the field of Romance linguistics. Furthermore, clitics raise many research questions that are of interest to general linguists working in any field of the discipline: phonology, morphology, syntax, pragmatics, acquisition, pathology, etc. In fact, clitics offer clues or raise problems regarding a wealth of linguistic issues, including phonological domains, information structure, syntactic movement, and language impairments. Yet scholars are seldom aware of the many empirical facets of cliticization or have not fully considered the theoretical ramifications of the topic....