Mulheres Improvaveis (EM Portugues Do Brasil) is a book by the pastor and mentor Viviane Martinello that brings words of wisdom about how God is an expert in changing destinies and transforming hearts. The book emphasizes that even if circumstances may make you feel incapable, God chooses unlikely women and empowers them for significant projects. It encourages readers to embrace their uniqueness and trust in God's plan, highlighting the hidden treasures within them waiting to be revealed.