Pocketmar is a Bengali language storybook that was authored by the leading Bengali language writer Panchanan Ghosal. I have collected a free PDF copy of this book and added it here. Panchanan Ghoshal was a Bengali language writer along with a criminologist and also a social worker. He did many remarkable works in Bengali literature as the Pocketmar. Download a PDF copy of the Pocketmar book from the below link; it is only 10 MB. This book consists of a total of 174 pages.