Jean Gerrard Books

Matilda Jane

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While visiting a seaside resort with her parents and her nanny, a little girl sees and experiences many extraordinary things.

Beside the Sea: An Edwardian Summer

By Roy Gerrard, Jean Gerrard

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Sir Cedric

By Roy Gerrard

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Tiny Sir Cedric, bored with castle life, rides out on his faithful steed Walter, rescues a princess called Fat Matilda, and defeats the nasty villain Black Ned.

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.