Harriette Sheffer Abels Books

Medical emergency

By Harriette Sheffer Abels

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The commander of the EM 88 is stricken with what may be the first case of smallpox in several centuries.

Silent invaders

By Harriette Sheffer Abels

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An invading army of humanoids threatens to blow up any colony whose inhabitants will not vacate.

Forgotten world

By Harriette Sheffer Abels

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A malfunctioning engine forces the EM 88 to land on an uncharted asteroid which bears a strange resemblance to Earth.

Future science

By Harriette Sheffer Abels

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Discusses innovations related to meteorology, automation, and space travel that may someday influence our lives.

Future business

By Harriette Sheffer Abels

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Discusses the foreseeable evolution of today's businesses as they adapt to future society.

Future government

By Harriette Sheffer Abels

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Discusses the idea of a world government and the necessity for it in light of the present and future changes in and problems of the global community.

Future food

By Harriette Sheffer Abels

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Highlights changes in diet and food production likely to occur, including increasing use of foods such as the buffalo gourd and quinua and new methods of farming and fishing, including aquaculture.

Future communication

By Harriette Sheffer Abels

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Discusses innovations in communications which may alter many aspects of life.

Future family

By Harriette Sheffer Abels

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Briefly describes scientific predictions about the future family unit, its structure, its social role, and how it will be affected by technological innovations.

Future medicine

By Harriette Sheffer Abels

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Discusses certain medical innovations doctors and scientists hope will become available in the near future.

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.