Christa Roberts Books

Rio 2

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When Linda and Tulio spot a wild blue Spix's Macaw in the Amazon jungle, Blu and Jewel fly off to help them locate more of their species. Jewel is eager for the kids to know about where she grew up...

Rio 2

By Christa Roberts

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The sighting of another blue macaw in the Amazon sends Blu and Jewel deep into the jungle. With this new adventure help Blu learn to love the wild?

Guinness World Records

By Christa Roberts

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Guinness World Records

By Christa Roberts

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Awesome Entertainers! is the ultimate book of jaw-dropping performances, from the circus to the stage and beyond. Meet the world s youngest professional drummer, the comedian who performed the long...

Guinness World Records

By Christa Roberts

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Turning Seventeen 3: For Real

By Christa Roberts

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With her mother dead, her father not listening to her, and a classmate harassing her, sixteen-year-old Maya finds the strength to stand up for herself, with help from her friends.

Turning Seventeen 7: Secrets and Lies

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We ve Got the Power

By Christa Roberts

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Living the dream

By Christa Roberts

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"The girls' relaxing vacation comes to an end when Betty takes a summer job at Pop's Chocklit Shoppe. Not to be outdone, Veronica charms her way into a position at a fancy boutique at Riverdale Mal...

First daughter

By Christa Roberts

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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.