Patrick Whelan Books

AP world history

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Provides basic strategies for taking the exam, questions and explanations about world history from prehistoric to modern times, and two full-length practice tests.

Kaplan AP World History 2010

By Patrick Whelan

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Kaplan Ap World History 2008

By Whelan Patrick Laden Jennifer

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AP World history

By Jennifer Laden

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AP world history 2012

By Jennifer Laden

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Provides basic strategies for taking the exam, questions and explanations about world history from prehistoric to modern times, and two full-length practice tests.

AP world history 2016

By Jennifer Laden

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Provides a comprehensive review of the exam topics, with questions and explanations about world history from prehistoric to modern times, and includes basic test-taking strategies and full-length p...

Cross Departmental Challenges

By Patrick Whelan

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Desarrollo Humano

By Miriam Leticia Padilla Maturin, Patrick Whelan

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Battle at Fort Anchor

By Patrick Whelan

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Alice s Adventures in Wonderland

By Lewis Carroll, Patrick Whelan, Jason Alexander, Debbie Guthery

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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.