Robert L. Sumner Books

The unity of government in the church of Christ
The blight of booze
The blight of booze

By Robert L. Sumner

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Falsities of Seventh-Day Adventism
A review and expose of the Interpreter s Bible
Man Sent From God
Man Sent From God

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Saved by grace...for service
An examination of tulip
An examination of tulip

By Robert L. Sumner

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Armstrongism
Armstrongism

By Robert L. Sumner

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The "Worldwide Church of God" examined in the searching light of scripture. An in-depth study of a false religion.

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Powerhouse
Powerhouse

By Robert L. Sumner

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Bible translations
Bible translations

By Robert L. Sumner

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If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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