Frontmatter -- Table of contents -- Notational conventions -- Can't you see the difference? Sources of variation in sign language structure -- Occurrence of mouthings in American Sign Language: A preliminary study -- Do all pronouns point? Indexicality of first person plural pronouns in BSL and ASL -- Negation in Jordanian Sign Language: A cross-linguistic perspective -- On the syntax of negation and modals in Catalan Sign Language and German Sign Language -- 'Real data are messy': Considering cross-linguistic analysis of constituent ordering in Auslan, VGT, and ISL -- Cross-linguistic comparison of interrogatives in Croatian, Austrian, and American Sign Languages -- The expression of modal meaning in German Sign Language and Irish Sign Language -- Reported action in Nicaraguan and American Sign Languages: Emerging versus established systems -- Grammaticalization of auxiliaries in sign languages -- The possible range of variation between sign languages: Universal Grammar, modality, and typological aspects -- Backmatter.