Snicket, Lemony. <br/><br/>
The slippery slope / 
by Lemony Snicket; illustrations by Brett Helquist. 
 - New York, NY :  HarperCollins Publishers,  2003. 
 - p.  cm. 
 - A Series of unfortunate events ; 10 .
<br/><br/> Summary: In the perilous Mortmain Mountains, Klaus and Violet Baudelaire meet another well-read person, who helps them try to rescue Sunny from the villainous Count Olaf and his henchmen as they all near "the last safe place". 
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<br/><br/><label>ISBN: </label>0-06-441013-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orphans--Fiction<br/>Brothers and sisters--Fiction<br/>Mountains--Fiction<br/>Humorous stories