W. Murray & M. Aitchison <br/><br/>
Mystery On The Island 11a 

<br/><br/> In book 11a, follows Peter and Jane as they discover a missing boy on an island and introduces 129 new words. Once this book is completed, the child moves on to book 11b. 
<br/><br/><label>ISBN: </label>9780721400112 
<br/><br/><label>Dewey Class. No.: </label>372.21 MUR