David Lester Books

"On Multiple Selves refutes the idea that a human being has a single unified self. Instead, David Lester argues, the mind is made up of multiple selves, and this is a normal psychological phenomeno...

Suicide

By David Lester, Ronald V. Clarke

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Suicide

By James R. Rogers, David Lester

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"Intended for the general reader, this masterful compilation probes the psychology of suicide, revealing the latest research and spotlighting global efforts to reduce the million suicide deaths eac...

Suicide

By David Lester, James R. Rogers

Average: 0.00, 0 Ratings

Suicide

By David Lester, Ronald V. Clarke

Average: 0.00, 0 Ratings

Jacqueline Kennedy Onassis

By Lester David

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This revelatory, memorable book by the dean of America's Kennedy writers begins where the bestselling phenomenon A Woman Named Jackie left off, going even further into the life of Jacqueline Kenned...

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.