Kai Siedenburg Books

Poems of Earth and Spirit

By Kai Siedenburg

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Timbre

By Stephen McAdams, Arthur N. Popper, Charalampos Saitis, Kai Siedenburg, Richard R. Fay

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Love Poems from the Earth

By Maria Kersey, Kai Siedenburg

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Space Between the Stones

By Kai Siedenburg

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This collection of poems and practices calls us home to our original bonds with nature, Spirit, and creativity. The poems surprise and delight, revealing a passionate love affair with nature and a...

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.