“The world is quiet here.” **Spoilers Ahead**
The Miserable Mill
This is probably the least believable of Count Olaf's disguises. A female receptionist named Shirley is hardly a clever disguise for a criminal mastermind. Also, if the Lucky Smells Lumbermills employees work for only coupons then how are they supposed to use those coupons if they have no money?
The Hostile Hospital
Another unbelievable disguise but this time that disguise belongs to Sunny. Even if she is properly dressed as nurse I dare say that her height (or lack their of) would give her away as not actually being an adult. This books also gives the Baudelaire's hope that one of their parents may still be alive. A hope that is never fulfilled. However, the Volunteers Fighting Disease song is quite catchy.
The Vile Village
This book brought on some serious unfortunate times for the Baudelaires. They lose yet another caring guardian, Hector. Isadora and Duncan reappear only to disappear with Hector in a hot-air mobile home. After they escape from the Village of Fowl Devotees they are seen as criminals. This is a title that haunts them throughout the rest of the series. On a positive note, Sunny walks for the first time.
The Slippery Slope
This book marks the first and last appearance of Quigley Quagmaire. It also shows the Baudelaires at their bravest. They scale a frozen mountain and challenge Count Olaf and his troupe head on. The orphans strong morals prevent them from letting Esme Squalor fall into a trap. Good for them but I don't know many of us who would take that high road.
The Definitive Ranking Of The "A Series Of Unfortunate Events" Books