Jenny Nimmo Books

Children of the Red King 1: Midnight for Charlie Bone

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Charlie Bone's life with his widowed mother and two grandmothers undergoes a dramatic change when he discovers that he can hear people in photographs talking.

Midnight for Charlie Bone

By Jenny Nimmo

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Charlie Bone's life with his widowed mother and two grandmothers undergoes a dramatic change when he discovers that he can hear people in photographs talking.

Children of the Red King 2: Charlie Bone and the Time Twister

By Jenny Nimmo

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Children of the Red King 3: Charlie Bone and the Invisible Boy

By Jenny Nimmo

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Charlie and his friends unite to rescue Ollie, a boy who was turned invisible and made to live in the attics at Bloor's Academy more than a year ago, but they are hindered by a mysterious new stude...

Charlie Bone and the invisible boy

By Jenny Nimmo

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Charlie Bone and the castle of mirrors

By Jenny Nimmo

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Charlie and his magically gifted friends and relatives work together to rescue Billy Raven, a young orphan, from a mysterious and dangerous couple who have adopted him.

Charlie Bone And The Hidden King Children of the Red King Book 5

By Jenny Nimmo

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Charlie Bone the Hidden King

By Jenny Nimmo

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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.