Andrew Clements Books

About Average

By Andrew Clements

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The Frindle Files

By Andrew Clements

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In the long-awaited follow-up to the beloved classic Frindle, a new generation of kids discovers the power of words and imagination – and yes, even screens – to solve a mystery and chan...

Things Not Seen

By Andrew Clements

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Winner of American Library Association Schneider Family Book Award! Bobby Phillips is an average fifteen-year-old-boy.  Until the morning he wakes up and can't see himself in the mirror.&...

A Week in the Woods

By Andrew Clements

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Mark Chelmsley IV has never felt truly at home anywhere. With only four months left in the fifth grade before he starts at an exclusive boarding school, Mark doesn't think it's even worth trying t...

The Friendship War

By Andrew Clements

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Stickers, Silly Bandz, Rainbow Looms, fidget spinners . . . buttons?! A brand-new school story about friendship and fads from the bestselling author of Frindle.This is war. Okay--that's too dramati...

The School Story

By Andrew Clements

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From the best-selling author of Frindle, The Landry News, and The Janitor's Boy.Twelve-year-old Natalie has written a fabulous book and is determined to get it published. Luckily, she has connecti...

The Last Holiday Concert

By Andrew Clements

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For Hart Evans, being the most popular fifth grader has its advantages: kids look up to him and teachers let him get away with everything. But during one choir practice, Hart zones out too far, ac...

The Losers Club

By Andrew Clements

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The beloved New York Times bestselling author of the modern classic Frindle celebrates books and the joy of reading with a new school story to love!   Sixth grader Alec can’t put a good...

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.