Cynthia Riggs Books

Trumpet of death

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"When 92-year-old poet/sleuth Victoria Trumbull takes her city-bred tenant Zack Zeller on a nature walk on one of Martha's Vineyard's conservation areas and shows him a mushroom she calls black tru...

Bloodroot

By Cynthia Riggs

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"It's just another day at the dentist's office for Victoria Trumbull when fellow patient, wealthy Mrs. Wilmington, dies. It's an unfortunate, though seemingly not murderous incident, but the recept...

The paperwhite narcissus

By Cynthia Riggs

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Touch me not

By Cynthia Riggs

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377 p. (large print) ; 23 cm

The bee balm murders

By Cynthia Riggs

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Poison ivy

By Cynthia Riggs

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Widow s Wreath

By Cynthia Riggs

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Trumpet of Death

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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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.