Jan Stevens Books

Carlos and the Squash Plant Carlos Y LA Planta De Calabaza

By Jan Stevens

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Carlos and the Corn Field Carlos Y LA Milpa De Maiz

By Jan Stevens

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Carlos and the Skunk Carlos Y El Zorrillo

By Jan Stevens

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Deformations of Singularities

By Jan Stevens

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These notes deal with deformation theory of complex analytic singularities and related objects. The first part treats general theory. The central notion is that of versal deformation in several var...

Slice of Pi

By Eva Nielsen, Zach Powell, Jan Stevens

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Deformations of Singularities

By Jan Stevens

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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.