Rob Ryndak Books

Crocodiles
Crocodiles

By Rob Ryndak

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Parrots
Parrots

By Rob Ryndak

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Sloths
Sloths

By Rob Ryndak

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Frog or toad?
Frog or toad?

By Rob Ryndak

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Simple text and photographs explain the difference between a frog and a toad.

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Frog or toad?
Frog or toad?

By Rob Ryndak

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Simple text and photographs explain the difference between a frog and a toad.

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Frog or toad
Frog or toad

By Rob Ryndak

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Simple text and photographs explain the difference between a frog and a toad.

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Turtle or tortoise?
Turtle or tortoise?

By Rob Ryndak

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Simple text and photographs explain the difference between a turtle and a tortoise.

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Caiman O Cocodrilo
Caiman o Cocodrilo Alligator or Crocodile
Caiman o Cocodrilo Alligator or Crocodile

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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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