Jennifer Coldrey Books

How life begins

By Chrissy Rankin

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The Pond

By Jennifer Coldrey, George Bernard 1949, Gerald Thompson

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Jellyfish and Other Sea Jellies Nature's Way

By Jennifer Coldrey

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Grey Squirrel

By George Bernard, Jennifer Coldrey, John Paling

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Penguins (Nature's Way (London, England), No. 14.)

By Jennifer Coldrey

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Photographs and text depict different species of penguins in their natural surroundings and introduce the behavior and life cycles of these flightless sea birds.

Danger Colours

By Jennifer Coldrey, Karen Goldie Morrison

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Strawberry

By Jennifer Coldrey

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Photographs, drawings, and text on two levels of difficulty describe how the strawberry plant produces juicy strawberries and sends out runners to start new plants.

Strawberry

By Jennifer Coldrey

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Photographs, drawings, and text on two levels of difficulty describe how the strawberry plant produces juicy strawberries and sends out runners to start new plants.

Mosquito (Stopwatch)

By Jennifer Coldrey

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In photographs and brief text, examines the life cycle of the mosquito.

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.