Heath, Jack,  1986- <br/><br/>
If you tell anyone, you're next / 
 If you tell anyone, you are next. 
Jack Heath. 
 - 313 pages ;  20 cm. 
<br/><br/> "An exclusive group chat. A deadly challenge. How far would you go to join?"--Front cover. 
<br/><br/> Jayden Jones is missing. Everyone thinks he ran away. His best friend, Zoe Ross, knows they're wrong. Zoe's search leads her to the 17, a secret group chat, used by anonymous teens to blackmail the powerless. To join, you have to put on a mask and record yourself completing a challenge. The challenges are always illegal. Sometimes dangerous. Maybe deadly. Who are the 17? What have they done to Jayden? And what will they do to silence Zoe? 
<br/><br/> For ages 13 years+. 
<br/><br/><label>ISBN: </label>9781761292019 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Missing persons--Juvenile fiction.<br/>Friendship--Juvenile fiction.<br/>Online chat groups--Juvenile fiction.<br/>Fear--Juvenile fiction.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Australian fiction.<br/>Young adult fiction.<br/>Thrillers (Fiction)
<br/><br/><label>Dewey Class. No.: </label>A823.4