Christian Classics Etheral Library
http://www.ccel.org/
The Christian Classics Ethereal Library is a digital library of hundreds of classic Christian books selected for edification and education. To look for Christian books in Portuguese language, please put Portuguese in the search engine.
Evangelho Segundo Os Apostolos (Grace to You Online Book in Portuguese)
By John MacArthur
https://www.gty.org/files/PDF/pt451119.pdf?Term=MacArthur%20Study%20Bible%20%20portuguese
https://www.gty.org
In this book, John MacArthur answers the questions: what is cheap grace; have some Christians adopted a "no-Lordship" theology; what must a person do to be considered righteous by God, and; do our works have any effect on our salvation.
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