Okay kiddo, so a library is a place where people can go to borrow books or read them there. The Mamma Haidara Commemorative Library is a library in Timbuktu, which is a town in Mali, a country in Africa.
The library is special because it has a collection of old manuscripts, which are like ancient books that were written a long, long time ago by people who lived in that area. These manuscripts have been around for many centuries, and the library has kept them safe and protected so that people can come and learn about history.
Mamma Haidara was a man who lived in Timbuktu and collected many of these manuscripts. He believed it was important to preserve them for future generations so that people could continue to learn from them. When Mamma Haidara passed away, the library was created in his honor to continue his legacy and protect these ancient texts.
So in summary, the Mamma Haidara Commemorative Library is a really special place in Mali where people can go to learn and read really old books that have been around for centuries. It is named after a man who believed it was important to protect these books and make sure that people could continue to learn from them in the future.