Mac K. Griswold Books

The manor

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In 1984, the landscape historian Mac Griswold was rowing along a Long Island creek when she came upon a stately yellow house and a garden guarded by looming boxwoods. She instantly knew that boxwoo...

Washington's Gardens at Mount Vernon: Landscape of the Inner Man

By Mac Griswold, Mac K. Griswold

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The Golden Age of American Gardens: Proud Owners Private Estates 1890-1940

By Mac Griswold, Eleanor Weller, Mac K. Griswold

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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.