Alan Tiegreen Books

The night of the popcorn fight

By Joan M. Lexau

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Ramona and Her Father

By Beverly Cleary

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Mitch and Amy

By Beverly Cleary

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Ramona and Her Father

By Beverly Cleary

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Ramona thinks she has problems deciding what presents she wants for Christmas. But when her father loses his job, she realizes that life can be even more difficult... One of the most popular charac...

Ramona's World

By Beverly Cleary

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Ramona the Brave

By Beverly Cleary

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Ramona Quimby is brave and fearless — or so she thinks. She thinks she's being brave by defending her sister in the park — but all her sister says is that she's silly and embarrassing. And now she...

The Best Of Ramona

By Beverly Cleary

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Ramona and Her Mother

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Mitch and Amy

By Beverly Cleary

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Double Trouble Mitch and Amy both think being twins is fun, but that doesn't stop them from squabbling. Amy is good at reading. Mitch is a math whiz. Amy likes to play pretend. Mitch would rather...

Ramona Quimby age 8

By Beverly Cleary

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The further adventures of the Quimby family as Ramona enters the third grade.

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.