diff --git a/free-programming-books-pt_BR.md b/free-programming-books-pt_BR.md
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--- a/free-programming-books-pt_BR.md
+++ b/free-programming-books-pt_BR.md
@@ -289,6 +289,7 @@
 * [O Guia do Mochileiro para Python!](https://python-guide-pt-br.readthedocs.io/pt_BR/latest/)
 * [O tutorial de Python](http://turing.com.br/pydoc/2.7/tutorial/)
 * [Pense em Python](https://penseallen.github.io/PensePython2e)
+* [Python e Orientação a Objetos](https://www.caelum.com.br/apostila-python-orientacao-a-objetos/)
 * [Python Funcional](https://dunossauro.github.io/python-funcional/) - Eduardo Mendes
 * [Python Orientado a Objetos](https://docs.google.com/viewer?a=v&pid=sites&srcid=ZGVmYXVsdGRvbWFpbnxyYWZhZWx1ZnR8Z3g6NTJlM2UzYzY1ZTgzMDEwMw) (PDF)
 * [Python para Desenvolvedores](https://ark4n.files.wordpress.com/2010/01/python_para_desenvolvedores_2ed.pdf) (PDF)