Harry Edwin Jaques Books

How To Know The Beetles: Pictured-Keys For Identifying Many Of The Beetles Which Are Most Frequently Seen, With Aids For Their Study And With Other Helpful Features

By H. E., H. E. Jaques, Jaques, Harry Edwin Jaques

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372 pages 22 cm Handbook to aid in the identification of beetles found in the United States in particular. Some beetles from Canada and Mexico are also included. Drawings, distinctive features, des...

How To Know The Water Birds

By H. E. Jaques, Harry Edwin Jaques, Jaques Harry Edwin

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How To Know The Economic Plants

By Harry Edwin Jaques

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Ancient Greek Women & Ritual

By B. G. Goff, Goff, Harry Edwin Jaques

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Living Things, How To Know Them

By H. E. Jaques, Harry Edwin Jaques, Harry E. Jaques

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Plants we eat and wear

By H. E. Jaques

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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.