Timothy J. Petersen Books

Depression

By Thomas L. Schwartz, Timothy J. Petersen

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This updated and revised Second Edition provides a state-of-the-science review and clinical collection of research on treating depression with multiple therapies. The text is an essential guide for...

The Massachusetts General Hospital Handbook of Cognitive Behavioral Therapy

By Susan E. Sprich, Timothy J. Petersen, Sabine Wilhelm

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Depression

By Thomas L. Schwartz, Timothy J. Petersen

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Take Control of Your Depression

By Jerrold F. Rosenbaum, Timothy J. Petersen, Susan J. Noonan

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Take Control of Your Depression

By Jerrold F. Rosenbaum, Timothy J. Petersen, Susan J. Noonan

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Take Control of Your Depression

By Jerrold F. Rosenbaum, Timothy J. Petersen, Susan J. Noonan

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Depression

By Thomas L. Schwartz, Timothy J. Petersen

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Depression

By Thomas L. Schwartz, Timothy J. Petersen

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Managing Your Depression

By Andrew A. Nierenberg, Jonathan E. Alpert, Timothy J. Petersen, Susan J. Noonan

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Massachusetts General Hospital Handbook of Cognitive Behavioral Therapy

By Susan E. Sprich, Timothy J. Petersen, Sabine Wilhelm

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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.