Jan Dallimore Books

Captain Cal and the robot army

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Captain Cal and his crew aboard the Silver Pig Intergalactic Probe Spaceship embark on another dangerous mission, this time to stop Professor Spitzer, a famous inventor turned mad scientist, from t...

Captain Cal and the Great Space Race

By Jan Dallimore

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Even though an Earth spaceship has never won the Great Space Race, Captain Cal and the crew of the "Silver Pig" prepare to fly into first place--without cheating.

Captain Cal and the garbage planet

By Jan Dallimore

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Space adventurer Captain Cal and his crew come to the rescue when messy aliens litter the entire galaxy with their garbage.

Captain Cal and the giant straw

By Jan Dallimore

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Heroic astronaut Captain Cal and his brave crew embark on a dangerous mission to save the earth's water supply from fiendish space aliens.

Captain Cal Series

By Jan Dallimore, Richard Morden

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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.