Nancy E. Krulik Books

Little Duck s Easter Surprise Mini Egg Books

By Nancy E. Krulik

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Ice Cream Dreams

By Nancy E. Krulik

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Katie Kazoo Switcheroo (Out to Lunch, 2)

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I hate rules

By Nancy E. Krulik

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Katie is sick of her school's rules. But when she turns into the principal and announces that there are no rules, she creates a great big mess! Will Katie be able to get the school back in shape?

Madame President How I Survived Middle School 2

By Nancy E. Krulik

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L autobus magique joue au baseball

By Nancy E. Krulik

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Dans cette adaptation l'aspect didactique sombre davantage sous la fiction. [SDM].

The trail of the Screaming teenager

By Patricia Reilly Giff, Nancy E. Krulik

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A day at the beach turns into another mystery for the Polka Dot Private Eye to solve! Dawn Bosco is excited about her trip to the beach. With her Polka Dot Private Eye box and her grandmother’s Mar...

Pop Goes Latin

By Nancy E. Krulik

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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.