Kristina Ohlsson Books

Unwanted

By Kristina Ohlsson

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Unwanted

By Kristina Ohlsson

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Inspector Fredericka Bergman investigates the kidnapping and murder of a child who had been separated from her mother on a crowded train on a rainy Swedish summer day, a case that points to the wor...

Unwanted

By Kristina Ohlsson

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Unwanted

By Kristina Ohlsson

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Hostage

By Kristina Ohlsson

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"HOSTAGE: Shortly after a crowded New York-bound Boeing 747 takes off from Stockholm, a bomb threat is found in one of the aircraft's lavatories. The demands are directed at both the Swedish and US...

The disappeared

By Kristina Ohlsson

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A latest installment in the series that includes Unwanted and Daisy follows Fredrika Bergman's investigation into a missing student's murder, a case that is further complicated by additional killin...

The disappeared

By Kristina Ohlsson

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Follows Fredrika Bergman's investigation into a missing student's murder, a case that is further complicated by additional killings and clues that lead to Fredrika's lover.

The chosen

By Kristina Ohlsson

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On a cold winter's day, a pre-school teacher is shot to death at the Jewish Congregation in Stockholm. Just hours later, two Jewish boys go missing on their way to tennis practice. Fredrika Bergman...

Silenced

By Kristina Ohlsson

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Paradisoffer

By Kristina Ohlsson

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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.