Frontmatter -- Table of contents -- Contributors -- Introduction. The acquisition of Romance languages from a generative perspective: New challenges and approaches -- 1. Superset and subset grammars in second language acquisition: The role of sonority in the representation of /s/+consonant clusters -- 2. Dual Morphology in the mental lexicon: Experimental evidence from the acquisition and processing of Greek and Portuguese -- 3. Microparametric variation and the acquisition of quantitative de in French -- 4. Semantic features and L1 transfer in the L2 learning of differential object marking: The view from Romanian and Persian -- 5. Elicited production of who-questions by school-aged Italian-speaking children -- 6. Mood interpretation in Spanish: towards an encompassing view of L1 and L2 interface variability -- 7. How do German speakers acquire the Tense-Aspect-System in Spanish as a Second Language? An empirical study -- 8. The non-native acquisition of Spanish (un)interpretable features by Dutch L1 learners -- 9. The elicited oral production of Italian restrictive relative clauses and cleft sentences in typically developing children and children with developmental dyslexia -- Index