Catherine Chambers Books

Shells

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Describes different kinds of shells and some of the ways they have been used, including as musical instruments, decorations, jewelry, and fertilizer. Suggested level: primary.

Grasses

By Catherine Chambers

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Nuts

By Catherine Chambers

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Stones

By Catherine Chambers

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A basic level picture book with activities. Contents: shaping stone, stone buildings, hot stones, sticky stone, painting with stone, metal from stones, shimmering stones.

Chinese New Year

By Catherine Chambers

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Describes the traditions, ceremonies, and foods associated with the celebration of the Chinese New Year.

Christmas

By Catherine Chambers

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Examines the traditions and celebrations associated with Christmas. Suggested level: primary, intermediate. primary, intermediate.

All Saints, All Souls: Halloween

By Catherine Chambers

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Examines the traditions and celebrations occurring around the world on Halloween, All Saints' Day, and All Souls' Day, festival days at the end of October and beginning of November that bring fire...

West African States

By Catherine Chambers

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Light Alpha Science

By Catherine Chambers

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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.