Harriette Sheffer Abels Books

Meteor from the moon

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When the headquarters Astro-orb goes out of orbit, the members of spaceship EM 88 try a daring plan to put it back in place.

Strangers on NMA-6

By Harriette Sheffer Abels

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The theft of nickel ingots from asteroid NMA-6 provides a puzzling mystery until members of spaceship EM 88 step in to investigate.

Green invasion

By Harriette Sheffer Abels

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Vigorous weeds from another galaxy kill the crops grown for earth on an Astro-orb and threaten to destroy the entire agricultural station.

Lost city of Atlantis

By Harriette Sheffer Abels

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Explores the possibility that the ancient continent of Altantis may have actually existed.

The haunted motorcycle shop

By Harriette Sheffer Abels

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The startling happenings in a motorcycle repair shop lead the employees and visitors to feel quite certain a ghost is the cause.

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.