Ellen Rudin Books

The three billy goats Gruff

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Three clever billy goats outwit a big ugly troll that lives under the bridge they must cross on their way to eat the sweet grass.

Me First

By Ellen Rudin, Golden Books

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Pig sisters Betsy and Bonnie begin an innocent game to see who can perform certain tasks first, but the fun wears off for Bonnie when Betsy becomes obsessed with winning every time.

My picture dictionary

By Ellen Rudin

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A picture dictionary with an illustrated section of words accompanying each letter of the alphabet.

My picture dictionary

By Ellen Rudin

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A picture dictionary with an illustrated section of words accompanying each letter of the alphabet.

The three billy goats Gruff

By Ellen Rudin

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Three clever billy goats outwit a big ugly troll that lives under the bridge they must cross on their way to eat the sweet grass.

Young Authors of America volume 6 1993

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Young authors of America Vol. 2

By Ellen Rudin

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Young Authors Of America Volume

By Rudin

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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.