Derek Hall Books

Polar bear leaps
Polar bear leaps

By Hall Derek

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Baby Polar Bear goes fishing with his mother and learns that a leap to safety can save his life.

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Prehistoric mammals
Prehistoric mammals

By Hall Derek

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Describes the early mammals that came to dominate the prehistoric world after the disappearance of the dinosaurs.

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How to make a rainbow
How to make a rainbow

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Science for Fun
Science for Fun

By Derek Hall

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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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