This book provides a practical and extensive guide for the International Corpus Network of Asian Learners of English (ICNALE), a unique dataset including more than 15,000 samples of Asian learners' L2 English speeches and essays. It also offers approachable introductions to a variety of corpus studies on the aspects of Asian learners' L2 English. Key topics discussed in the book include: background, aims, and methods of learner corpus research principles, designs, and applications of the ICNALE vocabulary, grammar, and pragmatics in Asian learners' L2 English, and individual differences of Asian learners and assessments of their speeches and essays With many case studies and hands-on guides to utilise ICNALE data to the fullest extent, The ICNALE Guide is a unique resource for students, teachers, and researchers who are interested in a corpus-based analysis of L2 acquisition.