Luper, Eric, <br/><br/>
Wizard's war / 
by Eric Luper  
 - Gurgaon :  Scholastic India,  2021. 
 - Key hunters ;  book 4 .
<br/><br/> This time Cleo, Evan, and Ms. Crowley (who, it turns out, is the missing Ms. Hilliard's sister) find themselves in a confusing fantasy book, caught up in a war with wizards, elves, trolls, and the mighty Golden Dragon--and while they manage to find their missing librarian, their quest does not end there. 
<br/><br/><label>ISBN: </label>9789352753406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Books and reading--Juvenile fiction.<br/>Libraries--Juvenile fiction.<br/>Magic--Juvenile fiction.<br/>Librarians--Juvenile fiction.<br/>Locks and keys--Juvenile fiction.<br/>Detective and mystery stories.