In this post, I am sharing the Class 1 Sindhi Primer Book PDF. This book is published by the Sindh Textbook Board (STBB), Karachi. To Download All Sindh Textbook and Notes Click Here. Here’s an online preview of the required book for you: frameborder=’0′ allowfullscreen> To download Sindhi Primer Book for Class 1 click the download button and your PDF file will …