Neuschwander, Cindy. <br/><br/>
Sör Çepçevre'nin Matematik Maceraları :  Çetre Adası / 
by Cindy Neuschwander ; illustrated by Wayne Geehan. 
 - 1st ed. 
 - İstanbul :  Doruk,  2014. 
 - 32 p. :  col. ill ;  24 cm. 
<br/><br/> Young Per and her cousin Radius set out to unlock the secret of Immeter before the sea serpent finds them. 
<br/><br/> 3-6.  Follett Library Resources. 
<br/><br/><br/>Turkish. 
<br/><br/><label>ISBN: </label>9789755536132 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry--Fiction.<br/>Mathematics--Fiction.
<br/><br/><label>Dewey Class. No.: </label>TF NEU/O