Tones are the most challenging aspect of learning Chinese pronunciation for adult learners and traditional research mostly attributes tonal errors to interference from learners’ native languages. In Second Language Acquisition of Mandarin Chinese Tones, Hang Zhang offers a series of cross-linguistic studies to argue that there are factors influencing tone acquisition that extend beyond the transfer of structures from learners’ first languages, and beyond characteristics extracted from Chinese. These factors include universal phonetic and phonological constraints as well as pedagogical...