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There are 9 books in the link
Beginner Book 1
Teaches short vowel "a" (hat, cat, am, etc.). Also teaches that “s” is sometimes pronounced as “z” (has, as, etc.), and the difference between “a” and “an.”

This power point presentation has been prepared by me. I hope it would be useful.The presentation includes both Turkish and English.
For Turks

This book is to improve your learning methods and improve your English speaking.

Volcanoes are unquestionably one of the most spectacular and awe-inspiring features of the physical world. Our paradoxical fascination with them stems from their majestic beauty and powerful, if sometimes deadly, destructiveness. Notwithstanding the tremendous advances in volcanology since ancient times, some of the mystery surrounding volcanic eruptions remains today.