This book describes the sound system of Mono, a Banda language of the Democratic Republic of the Congo. Morphology and acoustic phonetics are discussed in order to inform the phonological analysis. Several interlinear texts and a wordlist are included. Notable features of the Mono sound system include: A phonemic bilabial flap with velarization, An eight-vowel system with fewer front vowels than back vowels, A three-level tone system that includes tonal morphemes, a tonal melody on some locative adverbs, and tonal polarity on morphologically complex prepositions, Labialization and...