Burhi Aair Sadhu or Burhi Aai'r Xaadhu (Assamese: বুঢ়ী আইৰ সাধু) (literally translated to Grandma's Tales) is a collection of stories or folklore, that have been compiled by famous Assamese author and poet Lakshminath Bezbaruah. It is one of the most popular texts in Assamese literature. This book was first published on October–November in 1911. After the first publication 100 years have been passed and countless editions of the book have been published till now. This book is in now in public domain as per copyright law of India.