Ronnie Cummins Books

Costa Rica Children of the World Set Two

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Oscar Arias

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A biography of the Costa Rican president who won the 1987 Nobel Peace Prize for his successful efforts in promoting a peace plan for Central America.

Guatemala

By Ronnie Cummins

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Presents the life of a young Mayan Indian girl in a Guatemalan lakeside village, describing her family, her day-to-day life, and the history, political system, and customs of her country.

Cuba

By Ronnie Cummins, Ronald Cummins

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Presents the life a twelve-year-old boy and his family in Cuba, describing his home and school activities and discussing the history, geography, ethnic composition, natural resources, sports and re...

El Salvador

By Ronnie Cummins

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Presents the life of a twelve-year-old boy and his family in El Salvador, describing his home and school activities and discussing the history, geography, ethnic composition, natural resources, lan...

Nicaragua

By Ronnie Cummins

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Presents the life of a ten-year-old boy and his family in Nicaragua, describing his home and school activities and discussing the history, geography, ethnic composition, natural resources, language...

Costa Rica

By Ronnie Cummins

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Presents the life of an eleven-year-old girl and her family in Costa Rica, describing her home and school activities and discussing the history, geography, ethnic composition, natural resources, la...

Reclaiming the Commons

By Vandana Shiva, Ronnie Cummins

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Genetically Engineered Food

By Ben Lilliston, Ronnie Cummins

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Genetically Engineered Food

By Ben Lilliston, Ronnie Cummins, Frances Moore Lappe

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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.