George K. Peck Books

Loons

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Describes the physical characteristics, behaviors, and habitats of various species of the oldest existing family of birds, the loons.

Hummingbirds

By George K. Peck

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An introduction to the physical characteristics, habits, and natural environment of various species of hummingbirds.

Gulls

By George K. Peck

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Describes the life cycle, behavior patterns, and habitat of various species of gulls, focusing on those found in North America.

Birdbook

By George K. Peck

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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.