Lisa Eisenberg Books

Golden idol

By Lisa Eisenberg

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Snakey Riddles

By Lisa Eisenberg, Katy Hall

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Mystery at Bluff Point Dunes

By Lisa Eisenberg

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While visiting her friend's grandparents on Cape Cod, Kate Clancy determines to find out who has been stealing small objects from the house, only to uncover a much more dangerous plot.

Mystery at Camp Windingo

By Lisa Eisenberg

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Fourteen-year-old Kate Clancy, a summer counselor at Camp Windingo, encounters some frightening and unsettling events and finally confronts a dangerous thief.

Batty Riddles

By Lisa Eisenberg, Katy Hall

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A collection of riddles about bats, including "Why did the little bat walk around in his pajamas? He didn't have a bat robe!"

Creepy riddles

By Lisa Eisenberg, Katy Hall

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A riddle book about skeletons, witches, and other scary creatures.

Monkey Riddles

By Lisa Eisenberg, Katy Hall

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Monkey Riddles

By Lisa Eisenberg, Katy Hall

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Dinosaur Riddles

By Lisa Eisenberg, Katy Hall

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Turkey Riddles Easy to Read Dial

By Lisa Eisenberg, Katy Hall

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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.