This volume brings together a collection of chapters focused on the learning, testing, and researching of L2 vocabulary by leading international researchers including Paul Nation, Batia Laufer, Frank Boers, Elke Peters, Ana Pellicer-Sanchez, Anna Siyanova-Chanturia, and Stuart Webb. Questions that are examined include: Is it useful to read a book to learn vocabulary? Which types of input encountered outside of the classroom contribute most to vocabulary knowledge? What are the most useful words to learn to understand the academic spoken language in mathematics, biology, and engineering...