Ann Malaspina Books

Discusses saving the American wilderness, including preservation and conservation, environmental activism, recreation in the wilderness, and the future of wilderness management.

The Jaguar Endangered Animals and Habitats

By Ann Malaspina

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The Koala Endangered Animals Habitats

By Ann Malaspina

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Vivian and Victor learn about verbs

By Ann Malaspina

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"Vivian and Victor learn about verbs while they prepare for a race in the park. Concepts include: basic definition and usage of verbs; action and being verbs; past, present, and future tense; progr...

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.