Frontmatter -- Contents -- Acknowledgements -- Introduction -- Part 1: Processing Vocabulary Data -- 1. V_Words v2.0 and V_Lists v1.0 -- Part 2: Measuring Lexical Variation, Sophistication and Originality -- 2. D_Tools v2.0 -- 3. P_Lex v3.00 -- 4. Lexical Signatures -- 5. V_Unique v1.0 -- Part 3: Estimating Vocabulary Size -- 6. V_YesNo v1.0 -- 7. V_Size v2.01 -- 8. V_Capture v1.0 -- Part 4: Measuring Lexical Access -- 9. Q_Lex v4.0 -- Part 5: Assessing Aptitude for L2 Vocabulary Learning -- 10. LLAMA_B v2.0 -- Part 6: Modelling Vocabulary Growth -- 11. Mezzofanti v1.0 -- Envoi -- Author Index -- Subject Index