- "Why the Cross?" (1901):
This is his most well-known work, which presents the theological rationale for the crucifixion of Jesus Christ and how it signifies God's love and grace.
- "The Battleground of the Soul: A Study in the Science of Sanctification" (1903):
This book explores the spiritual journey of the Christian and how believers should strive for personal holiness and victory in their inner struggles.
- "The Secret of a Happy Day" (1904):
This book aims to inspire individuals to find happiness and contentment by drawing closer to God and embracing a life of spiritual transformation.
- "The Life That Wins" (1906):
This work highlights the importance of having a vital and victorious Christian life, emphasizing the need for strong faith and consistent surrender to God's will.
- "The Key of the Kingdom" (1907):
In this book, Johnstone expounds on the teachings of Jesus Christ and underscores the significance of personal discipleship and living according to God's commandments.
- "The Sure Way of Salvation" (1909):
This work provides a straightforward and concise explanation of how individuals can obtain salvation through faith in Jesus Christ.
- "The Greatness of God" (1919):
This book delves into the majesty and sovereignty of God, focusing on His attributes and how they impact human understanding and worship.
- "The Cross and Its Meaning" (1930):
Johnstone revisits the significance of Christ's crucifixion and elucidates its multifaceted implications for human salvation and reconciliation with God.
These are some of the prominent writings by John Chalmers Johnstone, demonstrating his theological depth and the spiritual impact he had on numerous readers throughout the years.