Kay Robertson Books

Construction

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Text demonstrates how mathematical measurements, estimations, and calculations can be used in construction projects, using such significant examples as the Egyptian Pyramids and the Great Wall of C...

Miss Kay s Duck Commander Kitchen

By Kay Robertson

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A Robertson family Christmas

By Kay Robertson

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"Hunter Clarke wanted one thing for Christmas: to spend it with his dad and his brother. He misses being included in any guy trips since his parents divorced and he went to live with his mom. So he...

A New Season

By Lisa Robertson, Korie Robertson, Missy Robertson, Kay Robertson, Al Robertson, Alex Robertson Mancuso, Jessica Robertson

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Miss Kay s Duck Commander kitchen

By Kay Robertson

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Miss Kay's Duck Commander kitchen

By Kay Robertson

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Construction

By Kay Robertson

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Calculating Time

By Kay Robertson

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Text covers calculating standard and military times, time zones, and the calendar year.

Construction

By Kay Robertson

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Calculating Time

By Kay Robertson

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Text covers calculating standard and military times, time zones, and the calendar year.

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.