Adam Hargreaves Books

The Mr. Men Collection 4

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They're back! Rediscover the zaniest characters you've ever met in this bestselling series which has sold millions worldwide. Bright and charming, with easily recognizable characters, Mr. Me...

The Mr. Men Collection 5

By Adam Hargreaves, Roger Hargreaves

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They're back! Rediscover the zaniest characters you've ever met in this bestselling series which has sold millions worldwide. Bright and charming, with easily recognizable characters, Mr. Me...

The Mr. Men and Little Miss Christmas Collection

By Adam Hargreaves, Roger Hargreaves

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They're back! Rediscover the zaniest characters you've ever met in this bestselling series which has sold millions worldwide. Bright and charming, with easily recognizable characters, Mr. Me...

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...

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...

Saves the World!

By Adam Hargreaves

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The irresistible new series by the author-illustrator of Mr. Men Little Miss.Molly knows what she wants to be when she grows up: a superhero. It's a great plan. She could save the world. But with M...

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...

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.