Geoffrey Hayes Books

Elroy and the witch's child: A picture story

By Geoffrey Hayes

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Elroy the orphan cat ventures out into the world and joins up with a little girl, a witch, and their strange pet.

Riches

By Esther Rudomin Hautzig

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After following the advice of the wisest rabbi in the area, a rich storekeeper discovers that giving of himself is better than merely giving money.

Bear by himself

By Geoffrey Hayes

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A bear enjoys his moments alone.

The Alligator and His Uncle Tooth: A Novel of the Sea

By Geoffrey Hayes

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A shy young alligator meets his Uncle Tooth, a crusty ex-sea captain, who tells him of his many adventures at sea.

The Alligator and His Uncle Tooth

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Secret Inside

By Geoffrey Hayes

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Patrick, a small bear, meets a mysterious innkeeper who shows him the secret of his innermost thoughts.

The secret inside

By Geoffrey Hayes

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Patrick, a small bear, meets a mysterious innkeeper who shows him the secret of his innermost thoughts.

A night-light for Bunny

By Geoffrey Hayes

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When it is too dark for Bunny to sleep, Papa suggests using light like that of stars and fireflies, but Mama finds the right light in their own burrow.

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.