Theodore Rowland Entwistle Books

Animal journeys

By Theodore Rowland Entwistle

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Describes the reasons for the regular migrations of such animals as seals, caribou, lemmings, birds, and insects.

Animal homes

By Theodore Rowland Entwistle

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Describes a variety of dwellings that animals build, borrow, and share.

Animal journeys

By Theodore Rowland Entwistle

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Describes the reasons for the regular migrations of such animals as seals, caribou, lemmings, birds, and insects.

The Pop Up Atlas of the World

By Theodore Rowland Entwistle

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Let's look at wild animals

By Theodore Rowland Entwistle

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Describes briefly the characteristics and natural environment of a variety of wild animal groups including the big cats, monkeys and apes, and bears.

Insect life

By Theodore Rowland Entwistle

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Animal worlds

By Theodore Rowland Entwistle

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Discusses behavior, such as mating, communications, and family life, of a variety of animals.

Animal worlds

By Theodore Rowland Entwistle

Average: 0.00, 0 Ratings

Discusses behavior, such as mating, communications, and family life, of a variety of animals.

Animal journeys

By Theodore Rowland Entwistle

Average: 0.00, 0 Ratings

Describes the reasons for the regular migrations of such animals as seals, caribou, lemmings, birds, and insects.

Animal journeys

By Theodore Rowland Entwistle

Average: 0.00, 0 Ratings

Describes the reasons for the regular migrations of such animals as seals, caribou, lemmings, birds, and insects.

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.