Darwin Porter Books

Frommer s Paris 2011

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A guide to travel in Paris that covers history and culture, attractions, nightlife, shopping, lodgings and restaurants, trip planning, and transportation and provides maps, three walking tours, day...

Frommer s Caribbean 2011

By Darwin Porter

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Frommer s England 2011

By Darwin Porter

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Frommer s Europe

By Darwin Porter

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Offers lodging, food, and sightseeing recommendations along with travel tips and cultural information.

Frommer s London 2011

By Danforth Prince, Darwin Porter

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Munich the Bavarian Alps

By Darwin Porter

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A guide for travelers to Munich and the Bavarian Alps that includes details on trip planning, attractions, accommodations, restaurants, shopping, walking tours, and skiing and hiking trails.

Frommer's Europe

By Darwin Porter

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Offers lodging, food, and sightseeing recommendations along with travel tips and cultural information.

Frommer's Europe

By Darwin Porter

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Offers lodging, food, and sightseeing recommendations along with travel tips and cultural information.

Frommer's Europe

By Darwin Porter

Average: 0.00, 0 Ratings

Offers lodging, food, and sightseeing recommendations along with travel tips and cultural information.

Frommer s Scandinavia

By Darwin Porter

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Describes points of interest in each region of Denmark, Norway, Sweden, and Finland, and recommends restaurants and hotels in all price ranges.

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.