Carl E. Heilman Books

Our New York

By Carl Heilman, Carl Heilman Ii, Carl E. Heilman, Carl E. Heilman II

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from The Rocky Tip Of Montauk Point To The Rushing Waters Of Niagara Falls, New York Is A State Full Of History, Culture, And Stunning Natural Beauty. With Charming Towns Three Centuries Old And Mi...

Crafting Techniques For Handsplit Snowshoes

By Carl Heilman, HEILMAN, CARl, Carl E. Heilman

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The Great South Woods Rambles Of An Adirondack Naturalist

By Betsy Folwell, James Bullard, Peter O'Shea, Carl E. Heilman, Peter V. O'Shea, Gerry Lemmo, Peter O'Shea, Betsy Folwell, James Bullard, Gerry Lemmo, Carl E. Heilman, Peter O'Shea, Peter V. O'Shea

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A series of personal true essays concerning my experience as a hiker, naturalist and environmentalist in the western part of the Adirondack Park in New York State. Focus on flora, fauna, natural hi...

Crafting Techniques For Handsplit Snowshoes

By Carl E. Heilman

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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.