Lily Sparks Books

Teen Killers Club

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Framed for the murder of her best friend, a young girl joins a super-secret society of teenage assassins to avoid a lifetime behind bars--and discovers her own true self--in this mesmerizing debut...

Teen Killers Club

By Jesse Vilinsky, Lily Sparks

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Teen Killers in Love

By Lily Sparks

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The Teen Killers Club is back in this “sick, twisted, fast-paced” thriller (Kendare Blake, #1 New York Times bestselling author)—and this time, nobody’s taking any pris...

Teen Killers At Large

By Lily Sparks

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The Teen Killers Club faces the end in the final installment of this “sick, twisted, fast-paced” (Kendare Blake, #1 New York Times bestselling author) series.With authorities revisiting...

Teen Killers in Love

By Lily Sparks

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The Teen Killers Club is back in this “Sick, twisted, fast-paced” thriller (Kendare Blake, #1 New York Times bestselling author)—and this time, nobody’s taking any prisoners...

Teen Killers Club

By Lily Sparks

Average: 0.00, 0 Ratings

Framed for the murder of her best friend, a young girl joins a super-secret society of teenage assassins to avoid a lifetime behind bars--and discovers her own true self--in this mesmerizing debut...

Teen Killers Club

By Lily Sparks

Average: 0.00, 0 Ratings

A debut young adult murder mystery about teen criminals at a “summer camp for psychos”—full of “sick, twisted, fast-paced fun” (Kendare Blake, #1 New York Times bestse...

Teen Killers in Love

By Lily Sparks

Average: 0.00, 0 Ratings

The Teen Killers Club is back in this “Sick, twisted, fast-paced” thriller (Kendare Blake, #1 New York Times bestselling author)—and this time, nobody’s taking any prisoners...

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.