Glen Robinson Books

When Willie, confined to a wheelchair, receives coded messages signed "G.O.D." on his computer, he needs the help of the other Shoebox Kids, as well as prayer, to identify the writer and find Willi...

The mysterious treasure map

By Glen Robinson

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When a map in an old book leads Chris on a treasure hunt with the Shoebox Kids, he learns that the real treasure in life is in following God.

The broken dozen mystery

By Glen Robinson

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Sammy and the other Shoebox Kids learn about helping others as they search for a missing painting from the Mill Valley Art Museum.

The clue in the secret passage

By Glen Robinson

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When Dee Dee and her family go to stay at her ailing grandmother's scary old house and their treasured family Bible is lost, the ensuing search leads to some discoveries about past race relations i...

52 things to do on Sabbath

By Glen Robinson

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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.