Madigan, Leo. <br/><br/>
Safe or sorry / 
Leo Madigan. 
 - London :  The Marine Society,  1981 
 - 48 p. :  ill. ;  15 cm. +  pbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Seamanship--Safety.
<br/><br/><label>Dewey Class. No.: </label>623.888