Ray O Ryan Books

Journey to Juno
Journey to Juno

By Ray O Ryan

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On the planet Nebulon in 2120, Zack joins his school's Explorer's Club and visits Juno, a planet made of crystals, but he is less than thrilled when he is partnered with the class bully.

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Journey to Juno
Journey to Juno

By Ray O Ryan

Average: 0.00, 0 Ratings

On the planet Nebulon in 2120, Zack joins his school's Explorer's Club and visits Juno, a planet made of crystals, but he is less than thrilled when he is partnered with the class bully.

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Three s a Crowd
Three s a Crowd

By Ray O Ryan, Colin Jack

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Green Christmas
Green Christmas

By Ray O Ryan, Colin Jack

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Green Christmas
Green Christmas

By Ray O Ryan, Colin Jack

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The Prehistoric Planet
The Prehistoric Planet

By Ray O Ryan

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Zack and his father are invited to join the Nebulon Navigators as they set out to return a lost baby pterosaur to the Prehistoric Planet, where Zack sees animals and plants he had only read about i...

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The Prehistoric Planet
The Prehistoric Planet

By Ray O Ryan

Average: 0.00, 0 Ratings

Zack and his father are invited to join the Nebulon Navigators as they set out to return a lost baby pterosaur to the Prehistoric Planet, where Zack sees animals and plants he had only read about i...

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The Prehistoric Planet
The Prehistoric Planet

By Ray O Ryan

Average: 0.00, 0 Ratings

Zack and his father are invited to join the Nebulon Navigators as they set out to return a lost baby pterosaur to the Prehistoric Planet, where Zack sees animals and plants he had only read about i...

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Monsters in space
Monsters in space

By Ray O Ryan

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Zack is shocked to find a large, green, six-eyed creature sitting in his place at school one morning, but soon learns that he and the "monster" have a lot in common.

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Monsters in space!
Monsters in space!

By Ray O Ryan

Average: 0.00, 0 Ratings

Zack is shocked to find a large, green, six-eyed creature sitting in his place at school one morning, but soon learns that he and the "monster" have a lot in common.

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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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