Jerolyn Ann Nentl Books

Fishing

By Jerolyn Ann Nentl

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Introduces fishing, including lures, bait, and casting.

Disco dancing

By Jerolyn Ann Nentl

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An overview of the disco world, including origins of the music, and disco dance steps, clubs, records, and disc jockeys.

Marathon running

By Jerolyn Ann Nentl

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Discusses the history of marathon running, the marathon races now existing, famous runners, running records, and possible injuries that improper care may incur.

Mountain climbing

By Jerolyn Ann Nentl

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An introduction to the sport of mountain climbing and to some of the world's famous peaks.

Marathon running

By Jerolyn Ann Nentl

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Discusses the history of marathon running, the marathon races now existing, famous runners, running records, and possible injuries that improper care may incur.

Mountain climbing

By Jerolyn Ann Nentl

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An introduction to the sport of mountain climbing and to some of the world's famous peaks.

The metric system is

By Jerolyn Ann Nentl

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A simple introduction to the principles of the metric system.

The meter is

By Jerolyn Ann Nentl

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A simple introduction to the meter and its use in everyday measurement.

The liter is

By Jerolyn Ann Nentl

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Introduces the liter, a unit used to measure liquid volume.

The gram is

By Jerolyn Ann Nentl

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Introduces the gram, a unit used to measure mass.

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.