"Black Beauty: The Autobiography of a Horse," by Anna Sewwll, can be found at no cost on the Internet. It is in much easier English than others that have been mentioned. It is fairly short, and each of the chapters is short. It was written in 1877. Horses were often treated badly. The book is written from the horse's point of view. Sewell wanted readers to feel sympathy for the horse. The book was a best-seller. Many people read it. It led to new animal welfare laws in England and United States.

Animal Farm by George Orwell. You can also try The Little Prince, translated from French.

Pride and prejudice by Jane Austen

The Great Gatsby by F. Scott Fitzgerald.

Dr Jekyll & Mr Hyde However, It also depends on your level