Doug Colligan Books

Bike Book

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A detailed and somewhat lighthearted tutorial of purchasing and using a bicycle from the viewpoint of year 1979 authors.

Escape from Death

By Doug Colligan

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Scholastic s A guide to good grades

By Doug Colligan, Louise Colligan

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Cyclist s Manual

By Dick Teresi, Doug Colligan

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The Best Of Reader'S Digest: Humor, Heart-Warming Stories, And Dramatic Tales

By Ellen Sherman, Doug Colligan, Peter Michelmore, Reader'S Digest Association, Max Alexander, Mary Roach, Arnold Fine, Editors Of Reader'S Digest, Kevin Harter, Armando Socarras Ramirez, Lynn Rosellini, Daniel A Gross

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v, 314 pages : 27 cm More than two dozen timeless favorites from the Reader's Digest archives. From everyday heroes to larger-than-life characters, small moments to historic events, the unforgettab...

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.