Riordan, Rick. <br/><br/>
Heroes of olympus the mark of athena /  
by Rick Riordan. 
 - United Kingdom :  Puffin,  2020. 
 - 584 p. :  ill. ;  22 cm 
 - The heroes of olympus. .
<br/><br/>Including bibliography and index. 
<br/><br/><label>ISBN: </label>9780141335766 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fiction.<br/>Adventure fiction.<br/>Mythology, Greek.<br/>Mythology, Roman.<br/>Fantasy.
<br/><br/><label>Dewey Class. No.: </label>823.087  / RIO/T