John Randolph Books

Backpacking Basics

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A guide to backpacking, including information on preparing for the trip, keeping warm and dry, reading a compass and map, spending the night on the trail, and conserving resources.

Randolph Family of Virginia

By John Randolph

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Randolph Family of Virginia

By John Randolph

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The speech of the Hon. J. Randolph, representative for the state of Virginia in the general congress of America

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The House in the Garden

By John Randolph

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Calculus Analytic Geometry Vectors

By John Randolph

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Remarks on Michaelis's Introduction to the New Testament

By Randolph John

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Collected Letters of John Randolph to John Brockenbrough

By John Randolph, Kenneth Shorey

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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.