Actually 193 years old, but still the oldest and smallest book in my personal library, By Isaac Watts, a theologian of some import who also wrote many hymns, the best known probably being the Christmas Hymn Joy to the World.
PSALMS OF DAVID,
IN THE LANGUAGE OF THE NEW
APPLIED TO THE CHRISTIAN STATE AND
BY ISAAC WATTS, D.D.
Luke xxiv, 44 All things must be fulfilled which
were written in—the Psalms concerning me
STEREOTYPED BY E. AND S. COLLIERS