Lesley Simpson Books

Mira's birthday wish comes true when her baby sister is born, but the little one spends her first eight days wailing, leaving the family at a loss for a name to announce at her simchat bat until Mi...

A song for my sister

By Lesley Simpson

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The Purim surprise

By Lesley Simpson

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Having moved to a new city just before Purim, Naomi reluctantly agrees to help deliver shalach manot, Purim treats, to total strangers while worrying that her mother has forgotten her seventh birth...

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.