John Philpin Books

Shattered Justice: A Savage Murder and the Death of Three Families' Innocence

By John Philpin

Average: 0.00, 0 Ratings

Beyond Murder: The Inside Account of the Gainesville Student Murders

By John Philpin, John Donnelly

Average: 0.00, 0 Ratings

The Prettiest Feathers

By John Philpin, Patricia Sierra

Average: 0.00, 0 Ratings

Dreams in the Key of Blue

By John Philpin

Average: 0.00, 0 Ratings

A serial killer wears many faces, but none more terrifying than this one...Every serial killer fits a profile, follows a pattern, makes a mistake. Until now...Six years ago forensic psychiatrist L...

Tunnel of Night

By John Philpin, Patricia Sierra

Average: 0.00, 0 Ratings

Stalemate

By John Philpin

Average: 0.00, 0 Ratings

Is a suspected child abductor laughing in the faces of the police and the victims’ families? For years, little girls have been disappearing from the streets of the San Francisco Bay Area. Their b...

The Prettiest Feathers

By John Philpin, Patricia Sierra

Average: 0.00, 0 Ratings

Sarah Sinclair was the perfect victim--she wanted to die.When a darkly enigmatic man approaches her in the small antiquarian book store where she works, Sarah is drawn into a slow dance toward deat...

Shattered Justice

By John Philpin

Average: 0.00, 0 Ratings

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.