Mary Elting Books

Dinosaurs

By Mary Elting

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Text and pictures introduce a variety of dinosaurs.

The big Golden book of dinosaurs

By Mary Elting

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An introduction to the physical characteristics, habits, and natural environment of a variety of dinosaurs.

Dinosaur mysteries

By Mary Elting

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Explains how paleontologists have revised earlier theories about dinosaurs and their habits, based on recent fossil discoveries, and discusses some mysteries that remain to be solved.

The answer book about you

By Mary Elting

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Describes how the human body works in a question and answer format. Includes answers to such questions as "What are hiccups?" and "How do scars form?"

Snakes and other reptiles

By Mary Elting

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Describes the characteristics, habits, and habitat of an often misunderstood group of animals that includes snakes, crocodiles, alligators, turtles, and lizards.

Helicopters at work

By Mary Elting

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Examines the varied uses of helicopters for scientific research, fire fighting, pest control, rescue operations, drilling and pipelining, sight-seeing, and others.

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.