Pierre A. Lehu Books

Sex for dummies

By Ruth K. Westheimer, Pierre A. Lehu

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Fashion for dummies

By Jill Martin

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Provides tips and guidelines for creating a fashionable wardrobe, including defining personal style, choosing complementary colors, and choosing clothing articles with multiple functions.

Sake

By Rocky Aoki, Pierre A. Lehu

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Dr. Ruth s Guide to Talking About Herpes

By Ruth K. Westheimer, Pierre A. Lehu

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52 lessons on communicating love

By Ruth K. Westheimer

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The doctor is in

By Ruth K. Westheimer

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Everyone knows Dr. Ruth as the most famous and trusted sex therapist, but few people know she narrowly escaped death from the Holocaust, was raised in an orphanage in Switzerland, or that she was a...

The doctor is in

By Ruth K. Westheimer

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Conquering the Rapids of Life

By Ruth K. Westheimer

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Living on your own

By Pierre A. Lehu

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5 55

By Judith D. Grimaldi

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Many people discover too late that they need some essential legal documents to deal with common health and end of life issues. Failing to prepare these documents ahead of time can create major lega...

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.