Henry Arthur Pluckrose Books

Things We Cut

By Henry Arthur Pluckrose

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Discusses the various types and uses of cutting implements such as a penknife, torches, and a snow plow.

Things We See

By Henry Arthur Pluckrose

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Photographs and text show the wide variety of things there are to see everywhere in the world of nature.

Whales

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Discusses the characteristics and habits of whales and of dolphins, members of the whale family.

Apes

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Briefly introduces gorillas, orangutans, chimpanzees, and gibbons.

Birds

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Introduces the characteristics and habitats of a variety of birds.

Elephants

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Discusses the characteristics and habits of African and Indian elephants and traces the elephant family back to prehistoric times.

Horses

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Introduces members of the horse family and notes the ways in which man uses donkeys, horses, and ponies.

Apes

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Briefly introduces gorillas, orangutans, chimpanzees, and gibbons.

Birds

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Introduces the characteristics and habitats of a variety of birds.

Lions and tigers

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Describes the physical characteristics, habits, and natural environment of lions, tigers, and other members of the cat family.

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.