Yang, Luen Gene  <br/><br/>
Secret coders :  robots & repeats Vol. 4 /  
Gene Luen Yang & Mike Holmes.  
 - New York :  First Second,   c2017. 
 - 92 p.  
 - Secret coders   4 .
<br/><br/> Dr. One-Zero has added a new class to Stately Academy's curriculum. but in ''advanced Chemistry'' they only teach one lesson: how to make Green Coders uncover a clue that may lead them to Hopper's missing dad. Is it time to use Professor Bee's most powerful weapon: the Turtle of light?  
<br/><br/><label>ISBN: </label>9781626726062 
<br/><br/><label>Subjects--Index Terms: </label>Mystery and detective stories.  Puzzles -- Comic books, strips, etc.  Schools -- Comic books, strips, etc.