Как написать письмо автору учебника на английском

Thank You very much for your studenbook. It is really pleasure to study English with your book. It helps me much to learn English as possible as I can . Our teacher praise your student book . And there are in our class was too many pupils with bad marks . But now the situation become better than was. 
Kind Regargs for your work.

Может похвалить за его учебник
Hello! A am student in (номер класса) class. I need praise you fou your studentbook. Thank you very match for work! Your studentbook is perfect and training English very well!
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