Berta H. Hader Books

Humpty Dumpty And Other Mother Goose Rhymes

By Elmer Hader, Berta Hader, Berta H. Hader

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An illustrated collection of familiar rhymes including "Humpty Dumpty" and "Old King Cole."

The Big Snow

By Elmer Hader, Juvenile Collection (Library Of Congress ), Berta Hader, Berta H. Hader

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when The Geese Begin To Fly South, The Leaves Flutter Down From The Trees And The Cold Winds Begin To Blow From The North, The Animals Of The Woods And Meadows, Big And Small, Prepare For The Long,...

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.