Carol Matas Books

Rosie in Chicago

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When the move to Chicago leaves twelve-year-old Rosie without friends, she is thrilled when her brother asks her to fill in for his baseball team, even if it means dressing up like a boy.

It's all Lonney's fault that Rebecca gets a D on her report. Lonney is always causing trouble. But when Rebecca sees Lonney get kidnapped and no one believes her, she has to do something. Following...

After the War

By Carol Matas

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The war within

By Carol Matas

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In 1862, after Union forces expel Hannah's family from Holly Springs, Mississippi, because they are Jews, Hannah reexamines her views regarding slavery and the war.

Jesper

By Carol Matas

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Lisa

By Carol Matas, C. Matas

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The city is Copenhagen and the year is 1940. Lisa is twelve years old, a bright, high-spirited girl looking forward to the fun and independence of being a teenager. Then Lisa and her family are awa...

Me Myself I

By C. Matas

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Of Two Minds

By Carol Matas

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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.