This collection of ten articles constitutes the fourth volume of a series, Sociolinguisticsin Deaf Communities. The book's title refers to an aspect of variation in signlanguages (pinky extension) and an aspect of sign language discourse (eye gaze) and underscoresthe richness and uniqueness of language use in Deaf communities around the world. The tenarticles are distributed among the book's six sections: variation, languages in contact,language in education, discourse analysis, second language learning, and language attitudes.,Although most of the articles focus on American Sign Language (ASL), one article exploresgrammatical constraints on fingerspelled English verb loans in British Sign Language, anotherexamines the representation of character signs in Taiwan Sign Language (TSL) resulting fromcontact between TSL and written Chinese, and a third outlines historical, political, andeducational issues affecting Irish Sign Language and the Irish Deaf community. Thebook's coverage of diverse sign language communities is enhanced by an article exploringvariation in the use of “tactile ASL” by Deaf-Blind people, in which case alanguage ordinarily processed in a visual modality is communicated through touch.