Rebecca Stefoff Books

Illustrations and text provide information about the physical characteristics, habits, and habitats of various species of chameleons and other related lizards.

Octopus

By Rebecca Stefoff

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Describes the physical characteristics, behavior, and habitat of octopuses and several similar creatures.

Praying mantis

By Rebecca Stefoff

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Introduces the life cycle and habitat of the praying mantis as well as the related stick and leaf insects.

Giant turtle

By Rebecca Stefoff

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Describes the physical characteristics, habitat, and behavior of a variety of large turtles, including the green sea turtle, leatherback, and Galapagos tortoise.

Oregon

By Rebecca Stefoff

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Surveys the geography, history, people, and customs of one of the three states that make up the region known as the Pacific Northwest.

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.