Sarah Perini Books

10 Steps to Mastering Stress: A Lifestyle Approach

By Ronald M. Rapee, Sarah Perini, David H. Barlow

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10 Steps to Mastering Stress

By Ronald M. Rapee, Sarah Perini, David H. Barlow

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10 Steps to Mastering Stress: A Lifestyle Approach, Updated Edition

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The Goddess Temple Oracle Cards

By Sarah Perini, Elena Albanese

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In the Goddess Temple Oracle, each card is like a temple containing the timeless power of the goddess in her many facets. Designed to incorporate the energetic significance of the turning of the wh...

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.