It?s the last day of second grade for the kids in Room 2B! Everyone?s excited about Song Lee?s end-of-the-year party at Mountainside Park. Harry can?t wait for the scary rides, so when Sidney dares him to go on the newest one he quickly accepts. But then he realizes that this ride has the one and only horrible thing he hates. Will Sidney show everyone Harry?s a yellow canary? And will Harry have to live through third grade at Sid?s mercy? ?As always, Harry?s appeal is that he?s both ?gross? and vulnerable.? ?Booklist for Horrible Harry?s Secret