Mark Laaser Ph.D. Books

Reflections On The History Of The Sex Addiction Field: A Festschrift

By Debra Kaplan M.A., Jennifer P. Schneider, Mark R. Laaser, Jennifer P Schneider M.D., Mark Laaser Ph.D.

Average: 0.00, 0 Ratings

Talking To Your Kids About Sex

By Mark R. Laaser, Mark Laaser, Mark Laaser Ph.D.

Average: 0.00, 0 Ratings

“The greatest enemy of sexual wholeness today,” asserts Mark Laaser, Ph.D., “is silence.” A therapist specializing in the field of sexual health, Dr. Laaser has worked with hundreds of adults who s...

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.