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PLEASE NOTICE : Some times the university and school emails or personal has a firewall prevent us from sending the eBook , so please use regular email like Gmail yahoo or outlook, and if not received within 24 hours please contact us PLEASE NOTICE : After the order confirmation email you will receive another email that a note has been added to your order and in this email you will be able to get your book ( check inbox and spam folder and promotion folder )>>>>> 2ND NOTICE : Dear customers, after contacting us through email or SMS messages or in the chat box , please allow time to respond . All questions in email or SMS or chat will be answered within immediately to maximum 12 hours. Thanks for your patience. Dismiss