Terry Catasus Jennings Books

The women's liberation movement, 1960-1990

By Terry Catasus Jennings

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Gopher to the rescue

By Terry Catasus Jennings

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When a volcano erupts, Gopher is among the few animals to survive but the tunnels that he digs once the earth stops shaking helps the mountain recover by providing shade and soft soil for animals a...

Gopher to the rescue

By Terry Catasus Jennings

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Gopher to the rescue

By Terry Catasus Jennings

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Sonidos en la sabana

By Terry Catasus Jennings

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Learn how animals of the African savanna communicate with one another.

Sonidos en la sabana

By Terry Catasus Jennings

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Learn how animals of the African savanna communicate with one another.

Definitely Dominguita Series. 4 Books Collection Set. Knight of the Cape Captain Dom s Treasur All for One Sherlock Dom by Terry Catasus Jennings

By Terry Catasus Jennings

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Little House of Hope

By Terry Catasus Jennings

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Casita de Esperanza

By Terry Catasus Jennings

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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.