Trueit, Trudi Strain, <br/><br/>
The double helix / 
Trudi Trueit. 
 - 1 online resource (215 pages) :  color illustrations, color maps. 
 - Explorer Academy ;  book 3 .
 - Trueit, Trudi Strain.  Explorer Academy ;  bk. 3. .
<br/><br/> OSLIS\Gale Nat Geo eBooks(2/2/23).  "Under the stars." 
<br/><br/> As Cruz and his friends continue to search for the third piece of the cipher, a mysterious message arrives suggesting that someone close to him is working for Nebula, leaving Cruz unsure of who he can trust. 
<br/><br/><label>ISBN: </label>9781426334580 1426334583 9781426334597 1426334591 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Explorers--Juvenile fiction.<br/>Code and cipher stories.<br/>Boarding schools--Juvenile fiction.<br/>Schools--Juvenile fiction.<br/>Explorers--Fiction.<br/>Ciphers--Fiction.<br/>Boarding schools--Fiction.<br/>Schools--Fiction.<br/>Mystery and detective stories.<br/>JUVENILE FICTION / Action & Adventure / General.<br/>JUVENILE FICTION / School & Education.<br/>Boarding schools.<br/>Code and cipher stories.<br/>Explorers.<br/>Schools.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books- OSLIS.<br/>Mystery and detective stories.<br/>Action and adventure fiction.<br/>Detective and mystery fiction.<br/>Fiction.<br/>Juvenile works.<br/>Mystery fiction.<br/>Action and adventure fiction.<br/>Detective and mystery fiction.
<br/><br/><label>LC Class. No.: </label>PZ7.T78124  / D68 2019eb 
<br/><br/><label>Dewey Class. No.: </label>[Fic]