Jules Older Books

Hot Henrietta and nailbiters united

By Jules Older

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Don't panic

By Jules Older

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Four brief tales relate how youngsters handle such common emergencies as dealing with a bee, a broken glass, a burned finger, and going down a high slide for the first time.

Don't start

By Jules Older

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Concerned about their parent's smoking, a group of children get together to try and make them stop.

Don't panic

By Jules Older

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Four brief tales relate how youngsters handle such common emergencies as dealing with a bee, a broken glass, a burned finger, and going down a high slide for the first time.

Hank Prank and Hot Henrietta

By Jules Older

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Presents the lively escapades of mischievous Hank Prank and his hot-tempered sister, Henrietta.

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.