Paul P. Sipiera Books

Meteorites

By Paul P. Sipiera

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Globes

By Paul P. Sipiera

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Describes the usefulness of globes to show the roundness of the earth and various consequences of that shape.

Gerald Ford

By Paul P. Sipiera

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Examines the life of the first president to be sworn into office as a result of his predecessor's resignation.

I can be an astronomer

By Paul P. Sipiera

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Discusses the work that astronomers do as they study the stars to learn more about the universe.

I can be a geologist

By Paul P. Sipiera

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Briefly describes a variety of jobs and topics of study in the field of geology and highlights the necessary education and training.

I can be an oceanographer

By Paul P. Sipiera

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Discusses the work oceanographers do as they study the ocean's depths.

I can be a geographer

By Paul P. Sipiera

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Discusses the different subjects geographers must know and the various jobs they can perform.

I can be a physicist

By Paul P. Sipiera

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Describes, in simple text and illustrations, physics and the work of a physicist.

I can be a chemist

By Paul P. Sipiera

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Describes the different kinds of work done by chemists and the necessary training for entering the field.

I can be a biologist

By Paul P. Sipiera

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Describes the training required to be a biologist and the different kinds of jobs available in the field.

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.