This book is intended for Libyan university English majors, who, from my experience as a lecturer in the English department, know almost nothing about the topics being discussed in the field of applied linguistics nowadays. It is an attempt to acquaint those students with the subjects explained here. It focuses on six issues related to the learning of language. First, It starts by discussing different views on language acquisition. Then, in the second chapter, it moves to explain motivation in some detail. It presents several definitions proposed by various scholars for the term. After that...