Linda Johns Books

Hannah West in the Belltown Towers

By Linda Johns

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Hannah West on Millionaire's Row

By Linda Johns

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Pre-teen sleuth Hannah West gets caught up in a mystery involving feng shui and missing antiques while housesitting in a mansion on Seattle's famed Millionaire's Row.

I can bowl!

By Linda Johns

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When a boy and his mother go bowling, he demonstrates how to play the game.

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.