Jeannette Grise Books

Robert Benjamin and the great blue dog joke

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Fond of playing practical jokes, a fifth grader finally realizes that it is more fun to make people laught at you than to embarrass and humiliate them.

Robert Benjamin and the disappearing act

By Jeannette Grise

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While checking out tourist attractions in the Philadelphia area for a teacher-guidebook writer, Robert becomes involved with a girl who keeps disappearing into other time periods.

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.