Brown, Marc Tolon. <br/><br/>
Arthur's mystery envelope / 
Marc Brown. 
 - Boston :  Little, Brown,  c1998. 
 - 58 p. :  ill. 
 - Arthur chapter book 1 .
<br/><br/> School Library Jl., June 1998 
<br/><br/> When the principal asks Arthur to take home a large envelope marked CONFIDENTIAL, his friends try to guess what's inside. 
<br/><br/> 007-009  BTSB. 
<br/><br/>
<br/><br/><label>ISBN: </label>0316115460 
<br/><br/><label>LCCN: </label>97074756 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School stories<br/>Aardvarks--Fiction
<br/><br/><label>Dewey Class. No.: </label>Fic