LLC LearningExpress Books

Grammar success in 20 minutes a day

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Writing and speaking without mistakes becomes much easier -- and all it takes is 20 minutes a day! Thorough and concise, Grammar Success in 20 Minutes a Day covers all the essentials, including co...

8th grade reading comprehension and writing skills

By LearningExpress Organization

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501 reading comprehension questions

By LearningExpress Organization

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Having trouble with reading comprehension questions on tests? Learn how to develop better reading strategies, understand what you need to do to read better and faster, and learn the joys of reading...

TABE Power Practice

By LLC LearningExpress

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Vocabulary spelling success in 20 minutes a day

By LearningExpress Organization

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501 Writing Prompts

By LLC LearningExpress

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Algebra success in 20 minutes a day

By LearningExpress Organization

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Praxis II power practice

By LearningExpress Organization

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This preparation guide provides the concentrated practice you need to pass the exam (both the 0011 and 5011) and achieve your goal of a career as a teacher.

GED R Test Skill Builder Mathematics

By LLC LearningExpress

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GED test

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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.