The key to kpss is music supported practical notes book, which includes practical notes of history, geography and citizenship lessons. this book is prepared for you to study without getting bored or even having fun. all the information in the book is in accordance with the current 2026 curriculum. in the book, all the subjects of the history, geography and citizenship course are included in the form of a summary without detailed information. there are no long and boring explanations. the geography course tuik data is the current data announced in 2026. the "human rights" unit has been added to the citizenship course. the question estimation book and key questions books are also compatible with the current curriculum. these books include the questions that are most likely to appear in the exam. if you want to increase your net worth practically and save time, these books are for you. the most important feature of the book is that it is supported by music. it contains songs specially composed for many subjects. by listening to these songs, it is possible to memorize the information that is most likely to appear in the exam in a very short time. to listen to the songs, it is enough to download any qr code reader program to your phone and have the qr codes in the relevant areas in the book read in the application. more than 100 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.