İsmail, also known as iso, is a ten-year-old village boy with hopes for the future. he has no friends other than the willow tree, which he loves very much, and the book heroes. ismail's father works in the fields all day. the sadness of leaving behind his dreams of being an inventor follows him slowly and silently. iso has dreams and aspirations just like his father. he waits for a new teacher to come to the village school and hopes to start school again. their new teacher, mustafa lokman, is unlike any other teacher İsmail knew. at first, children are afraid of their new teacher, who is tough-looking and distant towards them. the windows of his green trailer, which stands in the garden of the school, are covered with black film and its wheels are always covered in mud. as if all this was not enough, the cute dog of the school, jamel, is constantly sniffing the trailer. from the very first day, children think that their teacher is a mysterious person. well, could the new teacher be after the historical ruins in the village? iso never believes that the new teacher, whom he has been waiting for many years, would do such a thing. now he must clear his friends' suspicions and prove the teacher's innocence. mysterious teacher, “the greatest luck in life is to meet a good teacher when you are young.” a sincere and impressive book that will make you say.. more than 10 stocks are offered to be sold at the campaign price. This publication is ideal for readers seeking insightful and educational content. Prepared by experienced authors and printed with high-quality materials. Great for students, educators, and curious minds.