William Kostakis Books

Loathing Lola

By William Kostakis

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Stuff Happens: Sean

By Will Kostakis, William Kostakis

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The Sidekicks

By William Kostakis, Kostakis, Will

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The Swimmer. The Rebel. The Nerd.All Ryan, Harley and Miles had in common was Isaac. They lived different lives, had different interests and kept different secrets. But they shared the same best fr...

I Can See The Ending

By Will Kostakis, William Kostakis

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A Short Story From Begin, End, Begin: A #loveozya Anthology. Love Is Never As Simple As Boy Meets Girl, Not For A Psychic Teen Anyway. Nothing Spoils Boy Kisses Girl Quite Like A Vision Of Girl Dum...

The First Third

By Will Kostakis, William Kostakis, Kostakis, Will

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A painfully funny yet poignant contemporary Australian story for young adults, The First Third is the witty sophomore novel from Will Kostakis, sure to appeal to fans of Nick Earls and Melina Mar...

Stuff Happens: Sean

By Will Kostakis, William Kostakis, Kostakis, Will

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**4 boys, 4 stories, 4 great Australian writers in an important new series.**Stuff happens sometimes.Everyday stuff.At school, at home, with sport, with mates.For Ned it happened with a new teacher...

Loathing Lola

By William Kostakis

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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.