Clark, Mavis Thorpe. <br/><br/>
Spark of opal / 
Mavis Thorpe Clark 
 - New York :  The Macmillan Company,  c1973 
 - 215 pages ;  22 cm. 
<br/><br/>Opal town -- After eight years -- Water-hole creek -- The stolen compressor -- Spider-holes of men -- The opal cutter -- Too late! -- Kathy's news -- Judo and karate -- Dangerous ideas -- Ruthe -- "Liz shouldn't have come!" -- A plan at last! -- An old windlass -- Seventy feet down -- Mike confronts melikos -- Nikos brings some news -- Off again-on again -- Carl and the future -- The end of the year. 
<br/><br/> Discouraged that their family has not made its fortune in the Australian opal fields, a teen-age brother and sister make a dangerous final attempt to change the family's luck. 
<br/><br/><label>ISBN: </label>27189503 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AUSTRALIAN FICTION -- OPALS
<br/><br/><label>LC Class. No.: </label>FIC .C53 1973