After reviewing, from a grammaticalization perspective, the main stages in the evolution of Italian object clitic pronouns, the book discusses the distinctive morphosyntactic, semantic, and pragmatic features of Italian clitics. In particular, the book offers an original study of the most common examples of so-called verbi procomplementari , verbs which are characterized by the incorporation of clitics that no longer function as pronouns, and which are widely used in present-day Italian. Their emergence involves both grammaticalization of the clitic pronoun into an obligatory element, and lexicalization of the verb+clitic sequence. This study is essentially descriptive and maximally data-driven. The discussion of grammaticalization and lexicalization is reduced