Aroj Ali Matubbar Rachanasamagra is a Bengali book. If you are searching for this book, then I assure you that you can find it from here. This book wrote by Aroj Ali Matubbar. He was a self-taught philosopher and rationalist from Bangladesh. He was born on 17 December 1900 and died in 15 March 1985; he gathered most of his knowledge on varied subjects, including science and philosophy, through his readings and research. Aroj Ali Matubbar Rachanasamagra is a religious book from him. Pathak Shamabesh published it in 2012. Read it from here.