Thalia Kalkipsakis Books

The Worst Gymnast

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Gemma is convinced that her gymnastics coach is punishing her for accidentally kicking him in the face when he yells at her and gives her extra strength exercises, but she is determined to improve.

Sister Spirit

By Thalia Kalkipsakis

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Given a very bad, very short haircut by her jealous older sister, Hannah, nine-year-old Cassie seeks revenge by making it seem as if Hannah's closet is haunted.

Dancing Queen

By Thalia Kalkipsakis

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After years of ballet lessons, Charlie is delighted to finally take a class in modern dance, but wonders if she is up to the challenges--learning the new moves and finding a way to fit in with the...

Catch Me If You Can

By Thalia Kalkipsakis

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When a playground kissing game results in a broken collar bone, Becky fears that she has lost one of her best friends.

Sister spirit

By Thalia Kalkipsakis

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Snip! Snip! Cassie is convinced her big sister, Hannah, hates her. First, Hannah cuts off Cassie's hair so she won't look like such a "baby!" Then she stops talking to her. But Cassie knows a secre...

Dancing queen Sleep over Sister spirit

By Thalia Kalkipsakis

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Sister spirit : Given a very bad, very short haircut by her jealous older sister, Hannah, nine-year-old Cassie seeks revenge by making it seem as if Hannah's closet is haunted. Sleep-over : It's O...

Go Girl 7

By Ash Oswald, Thalia Kalkipsakis

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Go Girl 3

By Ash Oswald, Thalia Kalkipsakis

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Go Girl 11 Basketball Blues

By Ash Oswald, Thalia Kalkipsakis

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85 pages : 20 cm

Go Girl 12 Catch Me If You Can

By Ash Oswald, Thalia Kalkipsakis

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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.