Peggy Thomson Books

Siggy s Baseball Bat

By Gloria Kamen, Peggy Thomson

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World Looks Different Now

By Peggy Thomson

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Museum people: Collectors and keepers at the Smithsonian

By Peggy Thomson

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Uses interviews with curators, research scientists, technicians, and zookeepers to present life behind the scenes at the Smithsonian Institution.

Keepers and creatures at the National Zoo

By Peggy Thomson

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Describes, in text and illustrations, the many different tasks performed by keepers at the National Zoo and the interrelationship between them and the animals they care for.

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.