Rebecca Stefoff Books

Spider

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Examines the physical characteristics, life cycle, and natural habitat of various kinds of spiders with emphasis on their ability to extrude silk and weave webs.

Owl

By Rebecca Stefoff

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Examines the physical characteristics, life cycle, and natural habitat of various kinds of owls.

Crab

By Rebecca Stefoff

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Examines the physical characteristics, life cycle, and natural habitat of different types of crabs.

Flytrap

By Rebecca Stefoff

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Photographs and text describe flytraps, sundews, butterworts, and other plants that consume insects, worms, and even small frogs.

Penguin

By Rebecca Stefoff

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Examines the physical characteristics, life cycle, and natural habitat of different species of penguins.

Ant

By Rebecca Stefoff

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Examines the physical characteristics, life cycle, and natural habitat of various types of ants.

Idaho

By Rebecca Stefoff

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An introduction to the geography, history, government, economy, people, achievements, and landmarks of Idaho.

North American Historical Atlases Set 1

By Refecca Stefoff

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Exploring the New World

By Rebecca Stefoff

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Traces the exploration of America from the arrival of Asian hunters in Alaska more than 15,000 years ago to the English and French settlers in the early 1600s.

The colonies

By Rebecca Stefoff

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Discusses the establishment of European settlements and colonies in North America during the 1600s, the growth of slavery, and relations with Indians.

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.