Uncharted waters / 
Louise Matteoni ... [et al.] 
 - Oklahoma City :  Economy Co.,  c1986 
 - xxxii, 626, 79 p. :  ill. ;  28 cm. 
 - Economy reading series ;  level M .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Readers (Elementary)
<br/><br/><label>Dewey Class. No.: </label>428  / U54 1986