Niven, Larry,  1938- <br/><br/>
The Ringworld engineers /  
Larry Niven. 
 - London :  Sphere,  1986. 
 - 286 p.;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ringworld Imaginary place--Fiction
<br/><br/><label>LC Class. No.: </label>PZ4.N734