Automated Grammatical Error Detection for Language Learners Claudia Leacock, Martin Chodorow, Michael Gamon, and Joel Tetreault (Butler Hill Group, Hunter College, Microsoft Research, Educational Testing Service) Morgan & Claypool (Synthesis lectures on human language technologies, edited by Graeme Hirst, volume 9), 2010, ix+122 pp; paperbound, ISBN 978-1-60845-470-9, $40; ebook, ISBN 978-1-60845-471-6, $30 or by subscription.