Peter Chrisp Books

While telling about her life in ancient Rome, eight-year-old Flavia includes information about the homes, families, clothing, food, gods, sports, goods traded, and things the people build.

The middle ages

By Peter Chrisp

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While telling about his life in Medieval England, eight-year-old Robin includes information about families and homes, food and clothes, castles, markets, tournaments, and beliefs of the people.

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.