Cynthia Riggs Books

The Paperwhite Narcissus

By Cynthia Riggs

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Shooting Star: A Martha's Vineyard Mystery

By Cynthia Riggs

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Death and honesty

By Cynthia Riggs

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The Bee Balm Murders: A Martha's Vineyard Mystery

By Cynthia Riggs

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When a body is found in the trench where men are laying a fiber-optic cable across Martha's Vineyard, Victoria Trumbell's new boarder tells her he recognizes the dead man as someone who was a poten...

Touch-Me-Not: A Martha's Vineyard Mystery

By Cynthia Riggs

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A mathematical knitters group is working on a coral reef quilt for a competition to draw attention to global warming. When a telephone stalker begins preying on their members, they turn to Victoria...

The Cranefly Orchid Murders

By Cynthia Riggs

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The cemetery yew

By Cynthia Riggs

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Jack in the pulpit

By Cynthia Riggs

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Jack in the pulpit

By Cynthia Riggs

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Shooting star

By Cynthia Riggs

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Native Martha's Vineyard resident Victoria Trumbull adds "serious playwright" to her list of accomplishments when she pens the local summer stock's adaptation of Frankenstein Unbound. With actors,...

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.