While Harry Potter and Co. have been tearing everything up buzz-wise all summer, there is Another Popular Children's Series That does OK in its own right. Lemony Snicket has filled up a shelf with the dour and deadpan tales of the hapless Baudelaire children. The language and style is delicious for children who are just beginning to learn about the fun of irony and sarcasm.
The official Lemony Snicket website carries on in a similar vein, offering news and notes on the books as well as games, activities, and other links.
Here is a site that offers explanations of allusions and imagery found in the Lemony Snicket books. This gets scholarly, but that's part of the fun.