Linda Johns Books

To pee or not to pee

By Linda Johns

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A young boy finds all sorts of uses for his new potty until he is ready to use it to pee.

Hannah West in the Center of the Universe

By Linda Johns

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"I have a surprize for you in the car," mom said. ..... THE LOCATION: Funky Fremont-known to residents as the Center of the Universe THE CASE: Someone is kidnapping canines, and it's got the dog-...

I Can Do It A Rookie Reader Boxed

By Linda Johns

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Hannah West in the Center of the Universe

By Linda Johns

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Hannah West on Millionaire's Row

By Linda Johns

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Hannah West in the Center of the Universe

By Linda Johns

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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.