Marc Gonsalves Books

OUT of CAPTIVITY: Surviving 1,967 Days in the Colombian Jungle

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In "Out of Captivity," Gonsalves, Stansell, and Howes recount for the first time their amazing tale of survival, friendship, and, ultimately, rescue, tracing their five and a half years as hostages...

Out of Captivity: Surviving 1,967 Days in the Colombian Jungle

By Marc Gonsalves

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Describes how the plane carrying the three American civilian contractors crash-landed in Colombia, their capture by the FARC, the five years that they spent as hostages of the guerrilla group, and...

Otages French Edition

By Marc Gonsalves Keith Stansell Tom Howes

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Out of Captivity

By Keith Stansell, Marc Gonsalves, Tom Howes, Gary Brozek

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Out of Captivity

By Keith Stansell, Marc Gonsalves, Tom Howes, Gary Brozek

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Out of Captivity

By Keith Stansell, Marc Gonsalves, Tom Howes, Gary Brozek

Average: 0.00, 0 Ratings

Out of Captivity

By Keith Stansell, Marc Gonsalves, Tom Howes, Gary Brozek

Average: 0.00, 0 Ratings

Out of Captivity

Average: 0.00, 0 Ratings

Out of Captivity

By Keith Stansell, Marc Gonsalves, Tom Howes, Gary Brozek

Average: 0.00, 0 Ratings

Out of Captivity

Average: 0.00, 0 Ratings

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.