Carl L. Biemiller Books

Follow the whales

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In this sequel to The Hydronauts, the four hydronauts receive orders to search out the men-fish who follow the whale herds to see if they should be allowed to live.

Follow the whales

By Carl L. Biemiller

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In this sequel to The Hydronauts, the four hydronauts receive orders to search out the men-fish who follow the whale herds to see if they should be allowed to live.

Escape from the crater

By Carl L. Biemiller

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Follows the further adventures of the four hydronauts as they revive a soldier preserved in ice since 1999, centuries before their time.

Escape from the crater

By Carl L. Biemiller

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Follows the further adventures of the four hydronauts as they revive a soldier preserved in ice since 1999, centuries before their time.

The hydronaut adventures

By Carl L. Biemiller

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The Magic Ball from Mars Starboy

By Carl L. Biemiller

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Magic Ball from Mars Starboy

By Carl L. Biemiller

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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.