George Mendoza Books

Magic tricks

By George Mendoza

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Shadowplay

By George Mendoza

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Photographs of shadow images of swans, camels, Napoleon, witches, and other figures together with photographs showing how the images are formed using hands and fingers.

The Scarecrow Clock.

By George Mendoza

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The Scribbler

By George Mendoza

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Free verse describes the continually changing beach and the constant sandpiper.

Gwot! Horribly Funny Hairticklers

By George Mendoza

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The alphabet boat : A seagoing alphabet book

By George Mendoza

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An alphabet book illustrates the needs of a boat from anchor to zephyr.

The Alphabet Boat: A Seagoing Alphabet Book

By George Mendoza

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Are you my friend?

By George Mendoza

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When the small girl asks the boa constrictor if he is her friend, he swallows her and she goes on looking for a friend.

The thumbtown toad

By George Mendoza

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Lists the unusual characteristics of the thumbtown toad, a wicked woman about whom horrible tales are told.

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.