Ron Hirschi Books

Save our forests

By Ron Hirschi

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Discusses the characteristics and importance of different kinds of forests and the life they support.

SAVE OUR FORESTS An Audubon Book

By Ron Hirschi

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Save our prairies and grasslands

By Ron Hirschi

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Save our prairies and grasslands

By Ron Hirschi

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Discusses the characteristics and habitats of horned and antlered North American animals, such as elk, bighorn, pronghorn, moose, caribou, deer, and mountain goat, and presents some of the folklore...

City Geese

By Ron Hirschi

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Follows a flock of Canada geese through a year in an urban environment, from nesting and molting to feeding flights and the formation of new pairs in winter.

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.