L'Engle, Madeleine. <br/><br/>
An acceptable time 
Madeleine L'Engle. 
 - New York   Square Fish  c1989. 
 - 340 p. 
<br/><br/> Polly's visit to her grandparents in Connecticut becomes an extraordinary experience as she encounters old friends and mysterious strangers and finds herself traveling back in time to play a crucial role in a prehistoric confrontation. 
<br/><br/>
<br/><br/><label>ISBN: </label>0312368623 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fantasy fiction.<br/>Space and time -- Fiction.<br/>Romance fiction.
<br/><br/><label>Dewey Class. No.: </label>D L5471989