Laurence Ottenheimer Books

Amazing creatures

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Examines the characteristics and behavior of a multitude of animals, from prehistoric sea creatures to the birds, mammals, and insects of today.

World agriculture

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Presents an historical perspective in a description of how all kinds of plant and animal foods from around the world are grown, harvested, and consumed.

How things are made

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Describes the origins of and materials used in making a variety of objects, including paint, wool, glass, and plastics.

Spring

By GEORGE LEMOIRE ALEX CAMPBELL

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Summer Discoverers

By Laurence Ottenheimer

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Winter

By Laurence Ottenheimer

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Japan, land of Samurai and robots

By Laurence Ottenheimer

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Presents information on the life and customs of Japan.

Spring

By Laurence Ottenheimer

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Book of the Mountains Discoverers

By Laurence Ottenheimer

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Animal World First Encyclopaedia

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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.