You're looking for a free PDF download of the Méthode Rose, a popular French piano method book. Here's some information and a possible solution:
The Méthode Rose is a renowned piano method book written by Rose and André Préclaire. It's a comprehensive guide to learning piano, covering technique, theory, and repertoire. The book is widely used in France and other countries, and is particularly popular among children and beginners. methode rose pdf free download