Brian R. Ward Books

Indoor plants
Indoor plants

By Brian R. Ward

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ESP, the sixth sense
ESP, the sixth sense

By Brian R. Ward

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Aquarium fish survival manual
Aquarium fish survival manual

By Brian Ward

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Hospital
Hospital

By Brian R. Ward, Ward Brian

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Describes the various activities of and the many different jobs available in a hospital.

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The brain and nervous system
The brain and nervous system

By Brian R. Ward

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Describes the structure and functions of the brain and spinal cord and how neurons carry messages to and from the brain.

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The ear and hearing
The ear and hearing

By Brian R. Ward

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Describes how the parts of the ear work together with the brain to record sounds and maintain balance.

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The eye and seeing
The eye and seeing

By Brian R. Ward

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Describes how the parts of the eye work together with the brain to record visual messages.

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The skeleton and movement
The skeleton and movement

By Brian R. Ward

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The heart and blood
The heart and blood

By Brian R. Ward

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Discusses the heart, arteries, veins, blood cells, blood, the lymph system, and other parts of the body's circulatory system.

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The lungs and breathing
The lungs and breathing

By Brian R. Ward

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Discusses the lungs, how they work, and breathing problems.

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What is an EAN and How Does it Relate to an ISBN?

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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