David Macaulay Books

From the moat and portcullis to the great hall and dungeon, this book explains how a castle works as an enemy army tries to storm the walls. Follows the planning, construction, and ultimate testin...

Cathedral the story of its construction.

By David Macaulay

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Text and detailed drawings follow the planning and construction of a magnificent Gothic cathedral in the imaginary French town of Chutreaux during the thirteenth century.

City

By David Macaulay

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Text and black and white illustrations show how the Romans planned and constructed their cities for the people who lived within them.

Pyramid

By David Macaulay

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Text and black-and-white illustrations follow the intricate step-by-step process of the building of an ancient Egyptian pyramid.

Underground

By David Macaulay

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Text and drawings describe the subways, sewers, building foundations, telephone and power systems, columns, cables, pipes, tunnels, and other underground elements of a large modern city.

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.