Ray O Ryan Books

Space Camp

By Ray O Ryan, Jason Kraft

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Space Camp

By Ray O Ryan, Jason Kraft

Average: 0.00, 0 Ratings

Ready Set Blast Off

By Ray O Ryan, Jason Kraft

Average: 0.00, 0 Ratings

A galactic Easter!

By Ray O Ryan

Average: 0.00, 0 Ratings

Zack and Drake venture to Gluco, the candy planet, for some Easter fun but while competing in such activities as an egg toss and a three-legged race, Zack is so determined to come in first that he...

Zack can t wait to test out Sara, the new Super Advanced Robotic Assistant that his dad s been working on. At first she s great and super helpful! Sara helps Mom unpack clothes for her store at lig...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

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.

Ray O Ryan Books

Space Camp

Space Camp

Ready Set Blast Off

Monsters in Space

A galactic Easter!

Green Christmas

Haunted Halloween

Return to Earth

Operation Twin Trouble

The annoying crush

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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