Inst. of the Christian Religion app for iPhone and iPad

Features:  
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1.Go To Feature for all the books: Ability to jump from book to book and chapter to chapter within a book.  

2. Social Media features like Twitter and Facebook. Now you can post what you are reading about to your friends from within the App. You can also email from App.  

3. Bookmark: This feature ensures that you never lose your place.  

4. Notes: You can make and save your notes for future reference.  

5. Font size: You can adjust the font size by using the font adjuster.  

6. Search feature: You can Search for Keywords.
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Institutes of the Christian Religion, 4 volumes by John Calvin. This 4 Volume in 1 classic by John Calvin covers the basic doctrines of Christianity and theology. 943 Pages. 

The following is the chapter list of this book (to name just a few): 
General index of chapters 
Institutes of the Christian religion 

Book first. - Of the Knowledge of God The Creator 
Argument 

Chapter 1. - The Knowledge Of God and Of Ourselves Mutually Connected. —Nature of the Connection 

Chapter 2. - What It Is To Know God,—Tendency of this Knowledge 

Chapter 3. - The knowledge of God naturally implanted in the human mind 

Chapter 4. – The knowledge of God stifled or corrupted, ignorantly or maliciously 

Chapter 5. – The knowledge of God conspicuous in the creation, and continual government of the world 

Chapter 6. – The need of scripture, as a guide and teacher, in coming to God as a creator 

Chapter 7. –The testimony of the spirit necessary to give full authority to scripture. The impiety of pretending that the credibility of scripture depends on the judgment of the church.. 

Chapter 8. – The credibility of scripture sufficiently proved in so far as natural reason admits 

Chapter 9. –All the principles of piety subverted by fanatics, who substitute revelations for scripture 

Chapter 10. – In scripture, the true God opposed, exclusively, to all the Gods of the heathen 

Chapter 11. – Impiety of attributing a visible form to God.—the setting up of idols a defection from the true God 

Chapter 12. – God distinguished from idols that he may 
Be the exclusive object of worship 

Chapter 13. – The unity of the divine essence in three persons taught, in scripture, from the foundation of the world 

Chapter 14. – In the creation of the world, and all things in it, the true God distinguished by certain marks from fictitious Gods 

Chapter 15. – State in which man was created. The faculties of the soul—the image of God—free will—original righteousness.