Sandra V. Feder Books

Daisy s defining day

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When Miss Goldner teaches her class about alliteration, Daisy has a terrific time coming up with wonderful word combinations. Then someone calls her Lazy Daisy, and suddenly words are a problem. Da...

Daisy s big night

By Sandra V. Feder

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Daisy loves poetry and must find a way to use that as her special talent in her school's talent show. Book #3

The moon inside

By Sandra V. Feder

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Ella overcomes darkness at night after taking a look at moon.

Bitter and Sweet

By Sandra V. Feder

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Daisys Perfect Word

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Angry Me

By Sandra V. Feder, Rahele Jomepour Belle

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Peaceful Me

By Sandra V. Feder, Rahele Jomepour Bell

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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.