Leffman, David Books

Pocket Rough Guide Reykjavik

By David Leffman, ROUGH GUIDES, Leffman, David

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Pocket Rough Guide: Reykjavík is your essential guide to the world's most northern capital city, with information on all the sights in an easy-to-use format. Whether you have a few days or just an...

Top 10 Iceland

By David Leffman, DK Publishing, Leffman, David

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Whether you are looking for spa getaways, stunning glaciers and geysers, the bewitching Northern Lights or the vibrancy of Reykjavik, Eyewitness Top 10 Iceland is the perfect companion. Rely on doz...

The Rough Guide To Malaysia, Singapore & Brunei

By David Leffman, Rough Guides (Firm), John Oates, Richard Lim, Leffman, David, Lim, Richard, 1964-

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Now available in PDF format. The Rough Guide to Malaysia, Singapore, and Brunei is the ultimate guide to these three exciting Southeast Asian destinations, covering all their attractions-from amazi...

Rough Guide: Hong Kong And Macau

By David Leffman, Jules Brown, Leffman, David, Brown, Jules

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Explore every corner of two of Asia's most exciting destinations with the fully-revised seventh edition of the Rough Guide to Hong Kong and Macau. From shopping on'The Golden Mile'to the Ten Thousa...

The Rough Guide To China

By Martin Zatko, David Leffman, Simon Lewis, Rough Guides (Firm), ROUGH GUIDES, Leffman, David

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the Rough Guide To China Is The Definitive Guidebook To One Of The World’s Most Fascinating And Rapidly Changing Travel Destinations. The Full-colour Introduction Gives An Inspiring Insight Into Ma...

Top 10 Iceland

By David Leffman, DK PUBLISHING, Leffman, David

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Pocket Rough Guide Hong Kong

By David Leffman, ROUGH GUIDES, Leffman, David

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Pocket Guide to Hong Kong and Macau celebrates the sheer energy of these two former European colonies, sitting just 60km apart on the south China coast. It includes the lowdown on the incredible s...

Kuala Lumpur

By Lim, Richard, ROUGH GUIDES, Leffman, David

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The full-colour Rough Guide to Malaysia, Singapore and Brunei is the ultimate guide to these three exciting Southeast Asian destinations, covering all their attractions, from amazing national parks...

The Rough Guide To Iceland 2 (Rough Guide Travel Guides)

By David Leffman, Leffman, David, Proctor, James

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Now available in PDF format. Iceland has never been so hot. Let The Rough Guide to Iceland be your companion when planning a trip to this unspoiled country--from the party capital, Reykjavík, with...

The Rough Guide To Beijing (Travel Guide EBook)

By Rough Guides (Firm), Insight Guide, Leffman, David

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The Rough Guide to Beijing is the ultimate travel guide to China's remarkable capital city. From the majestic Forbidden City and maze-like hutong alleys to gorgeous lake-filled parks and the exquis...

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.