It can be said in one breath that Sunil Gangopadhyay is one of the favorite writers of not only older readers but also teenagers. The diversity of Sabyasachi Sunil's pen is also outstanding! One is overwhelmed by the number of delicious stories he has written for the little ones. A collection of juvenile fiction written by Sunil is such a surprise. The 'blue man' is in no way inferior to Santu-kakababu; Or 'Dipu-Ranjoy' or 'Bishwamama'. All of them roam around in the world of wonderful imagination and mysterious science. All of Sunil's fiction creations, including five Ruddhaswam novels and thirty-seven mind-blowing stories, have been brought together in the book 'Kishore Kalpavijn Samgar'. This book is an untapped goldmine for mystery-thriller-adventure-loving kids.