Marylin Hafner Books

That Dog!

By Nanette Newman, Marylin Hafner

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Sports riddles

By Everett M. Hafner

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Presents an illustrated collection of jokes and riddles about sports.

Meet M & M

By Pat Ross, Marilyn Hafner

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Little devil gets sick

By Marjorie Weinman Sharmat

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Little Devil unsuccessfully tries all sorts of nasty things to help him get well. His cure eventually comes about, but the reason for it is controversial.

I wish Laura's mommy was my mommy

By Barbara Power

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Jennifer thinks she prefers life in Laura's home to her own until changing circumstances help her to understand her own mother better.

Feeding yourself

By Vicki Cobb

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Describes how knives, forks, spoons, and chopsticks came to be invented and how they are used today in eating.

The Candy Witch

By Marylin Hafner, Steven Kroll

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It's Thanksgiving

By Jack Prelutsky

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Presents twelve poems about Thanksgiving, including "When Daddy carves the Turkey," "I Ate Too Much," "Daddy's Football Game," and "If Turkeys Thought."

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.