Heyerdahl, Thor. <br/><br/>
The Kon-Tiki expedition / 
Thor Heyerdahl ; abridged and simplified by Norman Wymer. 
 - London :  Longman,  c1965. 
 - 95 p. :  ill ;  21 cm. 
 - Longman structural reader ; stage 6 .
<br/><br/> Vocabulary level:  1800 words. 
<br/><br/><label>ISBN: </label>0582537762 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.<br/>Readers--1950-