Angela Bull Books

Oxford Reading Tree: Level 12: TreeTops Playscripts: Blue Shoes

By Angela Bull, David Calcutt

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Oxford Reading Tree: Level 12: TreeTops Playscripts: Blue Shoes

By Angela Bull

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Yellow Wellies Blackie Bear S.

By Angela Bull

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Florence Nightingale

By Angela Bull

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A biography of the beautiful, wealthy English woman who devoted her life to caring for the sick and creating a great nursing tradition.

Time traveler children through time

By Angela Bull

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Sophie and Jake, who don't find history interesting, test a computer program that shows what life was like in ancient Rome, Viking times, the Renaissance, the Gold Rush era, World War Two, and into...

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.