Mary Downing Hahn Books

Following My Own Footsteps

By Mary Downing Hahn

Average: 0.00, 0 Ratings

As Ever Gordy

By Mary Downing Hahn

Average: 0.00, 0 Ratings

Anna all year round

By Mary Downing Hahn

Average: 0.00, 0 Ratings

Chronicles the sometimes funny, sometimes sad experiences of eight-year-old Anna with her friends and family during a year in Baltimore just before World War I.

Wind Blows Backward

By Mary Downing Hahn

Average: 0.00, 0 Ratings

The Dead Man in Indian Creek

By Mary Downing Hahn

Average: 0.00, 0 Ratings

The Spanish kidnapping disaster

By Mary Downing Hahn

Average: 0.00, 0 Ratings

Forced to accompany their parents on their honeymoon in Spain, new stepsisters Amy and Felix find the animosity between them escalating especially when Felix's boasting about family wealth to a str...

Stepping on the cracks

By Mary Downing Hahn

Average: 0.00, 0 Ratings

In 1944, while her brother is overseas fighting in World War II, eleven-year-old Margaret gets a new view of the school bully Gordy when she finds him hiding his own brother, an army deserter, and...

Time for Andrew: A Ghost Story

By Mary Downing Hahn

Average: 0.00, 0 Ratings

When he goes to spend the summer with his great-aunt in the family's old house, eleven-year-old Drew is drawn eighty years into the past to trade places with his great-great-uncle who is dying of d...

Look for Me by Moonlight

By Mary Downing Hahn

Average: 0.00, 0 Ratings

Look for Me by Moonlight

By Mary Downing Hahn

Average: 0.00, 0 Ratings

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.