Mary Hoffman Books

Bump In The Night The Screaming Field Stories Under The Bedclothes

By Mary Hoffman

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Clothes for sale

By Mary Hoffman

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A family has a lot of trouble finding the right clothes to buy for their vacation.

Animal hide and seek

By Mary Hoffman

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When a family goes to the zoo, only the children seem to be able to see the animals, camouflaged by their natural setting.

Amazing Grace

By Mary Hoffman, Caroline Binch

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Although a classmate says that she cannot play Peter Pan in the school play because she is black, Grace discovers that she can do anything she sets her mind to do.

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.