Tiger mum Amy Chua's new book sparks more criticism than the lastThe tiger mum is back! This time with a book that has got the critics riled up even before it hits the shelves. In this book - that is as controversial as her last - Amy Chua claims that there are 3 attributes that make 8 cultures more successful than their counterparts in the USA. Read on to find out what these are and what the critics have to say about this new book.