Seth Jarvis Books

Definitely from out of town

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Kathy and Danny are surprised when a short kid with unusual clothes walks up to them and tells them he is "definitely from out of town," in fact, from another planet.

Looking for little green men

By Seth Jarvis

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Discusses the requirements and likelihood of extraterrestrial life.

Scrunch the universe

By Seth Jarvis

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Uses models to depict the Sun, Earth, and other parts of the solar system and galaxy.

Lifestyles of the big and powerful

By Seth Jarvis

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Describes the physical characteristics and life cycles of the stars and discusses how they form and release the various gases and minerals that make life on earth possible.

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.