Lewis Helfand Books

This Campfire Classics adaptation faithfully renders Lewis Carroll's original language and plot details in a stunning graphic novel format.Alice was just an ordinary girl - imaginative and curious...

Time Machine

By Lewis Helfand, Rajesh Nagulakonda, H. G. Wells

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Journey to the Center of the Earth

By Lewis Helfand, Jules Verne, Vinod Kumar

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Kim

By Lewis Helfand, Rakesh Kumar, Rudyard Kipling

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Gulliver's Travels

By Jonathan Swift Adapted By Lewis Helfand Illustrated By Vinod Kumar

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Lemuel Gulliver always dreamed of travelling the world. But when a violent storm claims his ship and casts him adrift among uncharted lands, he is taken to places that he could not even dream of. T...

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.