Դոյլ, Արթուր Կոնան,  1859-1930 <br/><br/>
The sign of four / 
Sir Arthur Conan Doyle ; retold by Anne Collins. 
 - Oxford :  Macmillan Heinemann,  2005. 
 - 72 p. ;  20 cm. +  2 CD 
 - MacMillan readers  Intermediate level.  5 .
<br/><br/><label>ISBN: </label>140507678x 1405076771 (CD)