diff --git a/books/free-programming-books-pt_BR.md b/books/free-programming-books-pt_BR.md
index 41fac2b2e..8d88710be 100644
--- a/books/free-programming-books-pt_BR.md
+++ b/books/free-programming-books-pt_BR.md
@@ -166,6 +166,7 @@
 #### Arquitetura de Software
 
 * [ASP.NET Core architecture](https://docs.microsoft.com/pt-br/dotnet/architecture/modern-web-apps-azure/) (PDF)
+* [Melhores Práticas de Arquitetura de Software na era da Nuvem](https://leanpub.com/manual-arquitetura-software) (Necessário criar uma conta (gratuita) no Leanpub para baixar o livro completo nos formatos PDF, EPUB, MOBI ou pelo próprio site)
 * [Microservices architecture](https://docs.microsoft.com/pt-br/dotnet/architecture/microservices/) (PDF)
 * [Modernizing existing .NET apps](https://docs.microsoft.com/pt-br/dotnet/architecture/modernize-with-azure-containers/) (PDF)