Dyan Sheldon Books

Planet Janet

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Seventeen-year-old Janet writes in her diary of the difficulties she experiences at home with her very boring parents and loathsome younger brother.

Lizzie and Charley Go Away for the Weekend

By Dyan Sheldon

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Seymour Finds a Home Red Storybooks

By Dyan Sheldon

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Story Book Collection Red Storybooks

By Dyan Sheldon, Adele Geras, Shirley. I Anderson Scoular Isherwood

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Lizzie and Charley Go Shopping

By Dyan Sheldon

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Mike and her best friend Hope breathlessly await meeting the guys of their dreams and falling in love, but after Mike thinks that she has found the perfect boy there seems to be some question of wh...

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.