Mary Riskind Books

Apple is my sign

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A 10-year-old boy returns to his parents' apple farm for the holidays after his first term at a school for the deaf in Philadelphia.

While vacationing in the country, two city children start a complex chain of events when they find a litter of abandoned kittens and determine to take care of them, not realizing they are bobcats a...

Follow that mom!

By Mary Riskind

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Eleven-year-old Maxine creates as much mischief as possible in order to convince her mother to quit the Girl Scouts.

Apple Is My Sign

By Mary Riskind

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Apple Is My Sign

By Mary Riskind

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Apple Is My Sign

By Mary Riskind

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Apple Is My Sign

By Mary Riskind

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Harry pomme et les autres

By Mary L. Riskind Mary

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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.