Kaplan Test Prep Books

AP biology prep plus 2018 2019

By Mark Metz, Linda Brooke Stabler, Allison Ann Wilkes

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iv, 518 pages : 28 cm

AP calculus AB prep plus 2018 2019

By Kaplan Publishing

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Kaplan's AP Calculus AB Prep Plus 2018-2019 is completely restructured and aligned with the current AP exam, giving you concise review of the most-tested content to quickly build your skills and co...

AP U. S. history prep plus 2018 2019

By Kaplan Publishing

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Kaplan's AP U.S. History Prep Plus 2018-2019 gives you concise review of the most-tested content to quickly build your skills and confidence. With bite-sized, test-like practice sets and customizab...

Catholic high school entrance exams

By Kaplan Publishing

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Kaplan GRE Premier Course Book Edition

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IELTS Premier with 8 Practice Tests Online Book CD Kaplan Test Prep

By Kaplan Test Prep

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TOEIC premier

By Kaplan Publishing

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viii, 526 pages : 28 cm +

ACT math science prep

By Kaplan Publishing

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Comprehensive review for the Math and Science sections of the ACT with hundreds of multiple-choice practice questions, the 100 most important math topics on the ACT, question sets to help you deter...

ACT English reading writing prep

By Kaplan Publishing

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ACT for busy students

By Kaplan Publishing

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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.