Getting your first smartphone means joining an online world that's full of exciting opportunities—but also real-life risks. This book, written by a former police detective and expert on digital crime, helps you become a smart, safe digital citizen.

Through an engaging mix of comics and sidebars, infographics, real-life examples and simple guidelines for staying safe online, young readers will learn:
How to spot fake information and avoid online scams
What a "digital tattoo" is, and how to avoid getting one
The sneaky tricks scammers use to get your data
What photos and information should never be shared
And much more!

学生向けにスマートフォンとSNSの使い方を解説
著者は元埼玉県警捜査一課刑事の佐々木成三