Ellen Blance Books

Monster Lady Monster and the bike ride

By Ellen Blance

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Monster gets a job A Monster book

By Ellen Blance

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Monster and the Toy Sale

By Ellen Blance, Blance

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Lady Monster has a plan

By Ellen Blance

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Monster and the little boy decide to build a special house for their many animals but they are unsuccessful until Lady Monster helps them.

Monster series 2

By Ellen Blance

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This teacher's guide is intended to accompany the 12 series II monster books. The series II books are intended for the second, third, and fourth grade reader

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.