Seymour Leichman Books

Boy Who Could Sing Pictures

By Seymour Leichman

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Shaggy Dogs Spotty Dogs Shaggy Spotty Dogs

By Seymour Leichman

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Shaggy or spotty, big or small, frisky or lazy, lost or found -- dogs come in all shapes, sizes, colors, and personalities, in all kinds of homes with all kinds of owners, with elegant names or foo...

The wicked wizard & the wicked witch.

By Seymour Leichman

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A verse tale in which a wizard and a witch compete to see which one is the more wicked.

Playwrights for Tomorrow

By David Ball, Arthur H. Ballet, Alexander Hierholzer, Seymour Leichman

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Rumpelstiltskin

By Seymour Leichman

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A strange little man helps the miller's daughter spin straw into gold for the king on the condition that she will give him her first-born child.

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.