Snicket, Lemony <br/><br/>
The slippery slope 

 - London  Egmont  2004 
 - 304 
 - Series of unfortunate events .
<br/><br/> 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." 
<br/><br/><label>ISBN: </label>9781405210867 
<br/><br/><label>Dewey Class. No.: </label>823  / SNI-S