Howard Goldsmith Books

After Julio enters a painting in a contest for school children, his whole class accompanies him to the zoo where the first prize winner will be announced.

Stormy day together

By Howard Goldsmith

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When the neighborhood children shelter in Carlos's house during a severe storm, the roof caves in.

Helpful Julio

By Howard Goldsmith

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Pedro s puzzling birthday

By Howard Goldsmith

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Pedro has been eagerly looking forward to his birthday. At last the happy day arrives. But Pedro is confronted with a challenging mystery. Why doesn't anyone wish him a Happy Birthday?

Treasure hunt

By Howard Goldsmith

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On a boring winter Saturday, Paul's older brother Francisco finds activities for the neighborhood children, Including a treasure hunt.

El Secreto del Exito Rainbow Readers

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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.