Nancy Harrison Books

Who Was Helen Keller?

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At age two, Helen Keller became deaf and blind. She lived in a world of silence and darkness and she spent the rest of her life struggling to break through it. But with the help of teacher Annie Su...

Who Was Helen Keller Who Was...

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Who Was Eleanor Roosevelt?

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For a long time, the main role of First Ladies was to act as hostesses of the White House...until Eleanor Roosevelt. Born in 1884, Eleanor was not satisfied to just be a glorified hostess for her...

Who was Eleanor Roosevelt?

By Gare Thompson

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A biography of the woman who served as First Lady for the longest time, and who was the first President's wife to speak out about important issues of the day, by writing newspapers articles and boo...

Who Was Charles Darwin?

By Deborah Hopkinson

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As a young boy, Charles Darwin hated school and was often scolded forconducting “useless” experiments. Yet his passion for the natural world was so strong that he suffered through terrible seasickn...

Winnie Mandela Mother of a Nation

By Nancy Illustrated Harrison

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Who Was Queen Elizabeth Turtleback School Library Binding Edition

By June Eding

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Who Was Helen Keller

By Gare Thompson

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148. Barbra Streisand Barbra Streisand One Voice

By Barbra Streisand

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Powers of Desire

By Ann Snitow

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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.