Seth Kubersky Books

The Unofficial Guide to Disneyland

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Discusses how to make the most of a visit to Disneyland, covering the rides, shows, concessions, and exhibits, lists the best times to visit, and provides outlines for one- and two-day tours.

The Unofficial Guide to Disneyland

By Bob Sehlinger

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Five great Features and Benefits offered ONLY by The Unofficial Guide: 1. Revolutionary, field-tested Touring Plans that can save four hours of standing in line in a single day 2. Dining chapter...

The Unofficial Guide To Disneyland

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Honest and Outspoken Advice from the Unofficial Expert Revolutionary, field-tested Touring Plans that can save four hours of standing in line in a single day Dining chapter with detailed reviews...

The Unofficial Guide to Disneyland

By Bob Sehlinger

Average: 0.00, 0 Ratings

Honest and Outspoken Advice from the Unofficial Expert Revolutionary, field-tested Touring Plans that can save 4 hours of standing in line in a single day Dining chapter with detailed reviews of...

Unofficial guide to Universal Orlando

By Seth Kubersky

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"Compiled and written by a former Universal Orlando employee, and based upon decades of research from a team whose work has been cited by such diverse sources as USA Today and Operations Research F...

Beyond Disney

By Bob Sehlinger

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The unofficial guide to Disneyland 2017

By Bob Sehlinger

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This guidebook to your Disneyland vacation includes insider tips that save you time and money; a dining chapter with detailed reviews of more than 50 restaurants, including all full-service restaur...

The unofficial guide to Disneyland 2018

By Seth Kubersky

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This guidebook to your Disneyland vacation includes insider tips that save you time and money. There is a dining chapter with detailed reviews of more than 60 restaurants, including all full-servic...

The unofficial guide to Universal Orlando 2018

By Seth Kubersky

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Compiled and written by a former Universal Orlando employee, and based upon decades of research from a team whose work has been cited by such diverse sources as USA Today and Operations Research Fo...

Unofficial Guide to Disneyland 2019

By Seth Kubersky, Bob Sehlinger

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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.