Good for the basics but...,
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This review is from: Learner English: A Teacher's Guide to Interference and other Problems (Cambridge Handbooks for Language Teachers) (Kindle Edition)
....possibly getting dated now. Some more recent research on L1 impact on English learning also needs to be taken into conservation. However, this book is good for people taking a CELTA or Trinity and for introducing what can be expected from different L1 speakers from around the world.