Deborah Hopkinson Books

This inspiring story of little-known civil rights champion Oscar Chapman reminds readers that one person can truly make a difference.On Easter Sunday 1939, Marian Anderson performed at the foot of...

Thanks to Frances Perkins

By By Deborah Hopkinson Illustrated By Kristy Caldwell

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An engaging picture book biography of Frances Perkins, the activist and first female United States cabinet member who created the Social Security program. From award-winning author Deborah Hopkinso...

Trim Sets Sail

By Deborah Hopkinson Illustrated By Kristy Caldwell

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One small kitten learns about the great big world as he sets sail with his fellow shipmates, animal and human, in this historical fiction intermediate reader.When Trim trips over a napping dog, lit...

Trim Helps Out

By Deborah Hopkinson Illustrated By Kristy Caldwell

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One small kitten learns about the great big world as he sets sail with his fellow shipmates, animal and human, in this historical fiction intermediate reader.Trim is eager to do a good job on his f...

Trim Sails the Storm

By Deborah Hopkinson Illustrated By Kristy Caldwell

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One small kitten learns about the great big world as he set sail with his fellow shipmates, animal and human, in this historical fiction intermediate reader.Trim has learned a lot about life at sea...

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.