Lucy Truman Books

Luciana

By Lucy Truman, Erin Teagan

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The Nice Girl s Guide to Naughty Sex

By Lucy Truman, Lisa Sussman

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Unicorn Academy: Magic of Friendship Boxed Set (Books 5-8)

By Lucy Truman, Julie Sykes

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What if your best friend was a unicorn? This boxed set includes books 5-8 of this magical series, where everyone is paired with their very own unicorn.At Unicorn Academy, every student gets their o...

Unicorn Academy Nature Magic 1: Lily and Feather

By Lucy Truman, Julie Sykes

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What if you could save Unicorn Island? Unicorn Academy is back in this brand-new magical subseries about the environment, where everyone is paired with their very own unicorn!Readers will love the...

Unicorn Academy Nature Magic 1

By Lucy Truman, Julie Sykes

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Unicorn Academy Nature Magic 3: Zara and Moonbeam

By Lucy Truman, Julie Sykes

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What if you could save Unicorn Island? Unicorn Academy is back in this brand-new magical subseries about the environment, where everyone is paired with their very own unicorn!Readers will love the...

Unicorn Academy Nature Magic 4: Aisha and Silver

By Lucy Truman, Julie Sykes

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What if you could save Unicorn Island? Unicorn Academy is back in this brand-new magical subseries about the environment, where everyone is paired with their very own unicorn!Readers will love the...

Unicorn Academy: Rainbow of Adventure Boxed Set (Books 1-4)

By Lucy Truman, Julie Sykes

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Read the books that inspired the animated Netflix series!What if your best friend was a unicorn? This giftable boxed set includes books 1-4 of this magical chapter book series, where everyone is pa...

House of Serendipity

By Lucy Truman, Lucy Ivison

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House of Serendipity

By Lucy Truman, Lucy Ivison

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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.