Stefan Petrucha Books

Wicked Dead: Lurker

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Four ghost girls, trapped in an abandoned orphanage, relate the story of high school student Mandy, who becomes caught up in a terrifying encounter after one of her classmates is tragically murdered.

Wicked Dead: Torn

By Thomas Pendleton, Stefan Petrucha

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Just when sixteen-year-old Devin's rock band, Torn, is on the verge of success, its members are stalked by a beast that is a ruthless killer.

Wicked Dead: Snared

By Thomas Pendleton, Stefan Petrucha

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Sixteen-year-old Lindsay is disgusted at the prospect of a beach trip with her parents, but her vacation gets interesting--and dangerous--when she meets Mark, the boy next door.

Wicked Dead: Crush

By Thomas Pendleton, Stefan Petrucha

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The life of social outcast Jonathan turns nightmarish when his high school tormentors are killed, one by one, and Jonathan spots a shadowy spirit outside his bedroom window.

Beowulf

By Stefan Petrucha

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Ripper

By Stefan Petrucha

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Panic grips the city! There is a killer loose in New York City, and Carver Young is the only one who sees the startling connection between the recent string of murders and the most famous serial ki...

The last voyage of the Lusitania Time readers for kids

By Stefan Petrucha

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World History

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Rita Repulsa s Attitude Adjustment

By Stefan Petrucha

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Going Green

By Stefan Petrucha

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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.