Sadler, Marilyn. <br/><br/>
Alistair underwater / 
Marilyn Sadler 
 - New York :  Simon & Schuster,  1990 
 - 50 p. :  illus 
<br/><br/><label>ISBN: </label>0671694065 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Underwater Exploration--fiction.<br/>Frogs--fiction.<br/>Monsters--Fiction.<br/>children : literature.