What was john browns favorite book

Favorite book of John Brown was Abolitionist: The man who killed slavery.

Explanation:

John Brown is one of the most famous personalities who had fought against the practice of slavery. He was never in favor of slavery and wanted to abolish it.

John Brown seized the arsenal of the United States of America at Harper's ferry in the year 1859. The aim and the purpose of doing that was to arm the slaves so that they could rebel against the injustice done to them and fight against slavery.