Adam Hargreaves Books

Mr. Tickle in a tangle

By Adam Hargreaves

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Mr. Good

By Adam Hargreaves

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Little Miss Whoops

By Adam Hargreaves

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Mr. Men: A Very Thankful Thanksgiving

By Adam Hargreaves

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Get ready for an extra-big helping of fun when you celebrate Thanksgiving with the characters from Mr. Men Little Miss!It takes a lot of work to get everyone around the table on Thanksgiving. But o...

Little Miss Splendid and The House With a View

By Adam Hargreaves

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Little Miss Birthday takes pride in her ability to find the right gift for each of her friends. However one day she becomes quite frustrated as she simply cannot think of a birthday gift for Mr Wro...

Mr. Silly gets the giggles

By Adam Hargreaves

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Mr. Men: Road Trip!

By Adam Hargreaves

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Hit the road with the Mr. Men Little Miss crew and get ready to laugh your way across the USA!The Mr. Men Little Miss crew is traveling across America on a road trip that has something for everyone...

Pirate Adventure

By Adam Hargreaves

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The first leveled reader featuring the characters from Mr. Men Little Miss!Mr. Happy and his friends are sailing across the ocean when pirates haul them aboard their ship. Will the Mr. Men and Litt...

Little Miss Valentine

By Adam Hargreaves

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Meet Little Miss Valentine, a new Little Miss character who's sure to win over your heart in this 8x8 hardcover picture book!It's Little Miss Valentine's favorite time of year--Valentine's Day! But...

Little Miss Christmas

By Adam Hargreaves, Roger Hargreaves

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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.