Grace Allen Hogarth Books

Sneeze on Sunday

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When librarian and writer Frederika Wing finds a dead body in the hammock next to Miss Hartwell's small bookshop, it's not long before the sleepy little town is filled with hostile residents--who a...

The funny guy

By Hogarth Grace Allen.

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A sister for Helen

By Grace Allen Hogarth

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Illustrators of children's books, 1967-1976

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Murders for Sale

By Andre Norton, Grace Allen Hogarth

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Murders for Sale

By Andre Norton, Grace Allen Hogarth

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Murders for Sale

By Andre Norton, Grace Allen Hogarth

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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.