Jenny Nimmo Books

Charlie Bone and the Time Twister

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Time is running out for Charlie Bone . . . Charlies hopes that the new term at Bloor's Academy will hold no nasty surprises. But then Henry Yewbeam appears, twisted through time from the icy winte...

Charlie Bone and the Invisible Boy

By Jenny Nimmo

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This semester at Bloor's Academy brings a few changes. There is a new art teacher, Mr. Boldova, and a new student, Belle, who lives with the Yewbeam aunts and seems to have a strange power over th...

Midnight for Charlie Bone

By Jenny Nimmo

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What's happening to Charlie Bone?Charlie doesn't want to believe it when he discovers that he can hear the thoughts of people in photographs. But his horrible aunts are delighted – it means...

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.