Petronella Gronroos Books

Bud book

By Petronella Gronroos, Laura Gustafsson, Terike Haapoja

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Writer and playwright Laura Gustafsson and visual artist Terike Haapoja began their collaboration in 2012, wherein they examine history and society from a non-anthropocentric viewpoint. 'Bud Book'...

Tihea hetki

By Petronella Gronroos, Saara Hacklin

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Tiheä hetki on valokuvan vuosikirja. Se kertoo ihmisistä ja ihmisyydestä, arjesta ja ympäristöstä. Se kertoo myös miten ja millaisena näemme valokuvan nyt. Valokuvat kertovat itse itsestään. Kirjan...

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.