This study brings in a comparative approach regarding pictures involved in secondary school (14-17 ages) textbooks taught in Turkey. In this respect, following the classification of pictures (line drawings and photographs) included in secondary school education geography textbooks, evaluation of the photographs in books in question in terms of quality measures has been made. In addition, after listing the problems experienced regarding the illustration works in secondary school education geography textbooks, suggestions will be made regarding illustration sufficiencies in geography textbooks. (Contains 6 figures and 9 tables.)