Donna Jackson Kallner Books

The Wildlife Detectives: How Forensic Scientists Fight Crimes Against Nature

By Donna M. Jackson, Donna Jackson Kallner

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Describes how the wildlife detectives at the National Fish and Wildlife Forensics Laboratory in Ashland, Oregon, analyze clues to catch and convict people responsible for crimes against animals.

The bug scientists

By Donna M. Jackson

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Bug scientists, called entomologists, present information on insects and explain how they use that information in their work.

The Bug Scientists

By Donna M. Jackson

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Twin Tales

By Donna Jackson Kallner

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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.