Donna Olendorf Books

Science & technology firsts

By Leonard C. Bruno

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Notable Scientists from 1900 to the Present

By Olendorf

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The Gale encyclopedia of medicine

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"An advisory board of physicians and librarians worked with health-care professionals and medical writers to compile this encyclopedia. The 1,500 alphabetical entries cover 905 disorders and condit...

The Gale encyclopedia of medicine

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The Gale encyclopedia of medicine

Average: 0.00, 0 Ratings

The Gale encyclopedia of medicine

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The Gale encyclopedia of medicine

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The Gale encyclopedia of medicine

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Sick Edition 1.

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Presents articles describing the causes and symptoms, diagnosis, treatment (both traditional and alternative), prognosis, and prevention of various diseases, disorders, injuries, and infections

Grzimek s Animal Life Encyclopedia

By Neil Schlager, Bernhard Grzimek, Donna Olendorf

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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.