Grace Dr Ketterman Books

Don t Give In Give Choices

By Patricia Holt, Grace Dr Ketterman, Pat Holt

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Ketterman on Kids

By Grace H. Ketterman, Grace Dr Ketterman

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When You Feel Like Screaming

By Pat Holt Grace Ketterman M.D.

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A best-seller revised...with a value-added bonus! Many moms feel guilty about screaming at their children but don't know how to stop. Ketterman says, "Having grown up with a loving but screamin...

When You Feel Like Screaming

By Patricia Holt, Grace Dr Ketterman, Pat Holt

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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.