This volume combines psycholinguistic experiments with typological investigations in order to provide a comprehensive exploration of the linguistic structure of verb-number agreement in bilingual speakers, with a particular focus on the Turkish language. It takes as its starting point the question of which linguistic structures pose difficulties for bilingual speakers, and then proceeds to evaluate the question by using the interface phenomenon of optional verb number agreement. In doing so, this volume investigates how the bilingual mind handles grammatical structures that demand high...