Lee Hollis Books

With a wryly witty and assured voice and a vastly entertaining cast of characters, Lee Hollis puts a modern slant on the classic murder mystery as a father-daughter sleuthing duo are drawn into a c...

Death of a Tom Turkey

By Lee Hollis

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Thanksgiving season brings murder most fowl to Bar Harbor, Maine, as food writer and restaurateur Hayley Powell investigates a farmer felled at a turkey shoot . . .The relationships between bad-tem...

Murder at the High School Reunion

By Lee Hollis

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At their twenty-fifth high school reunion in Portland, Maine, P.I. partners and moms Maya Kendrick and Sandra Wallage must figure out which of their former classmates should have been voted most li...

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.

Lee Hollis Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?