In This Week's Observer…

Herewith the backstory on how 18 East 68th Street became New York City’s most expensive listing.

A DNA millionaire buys the last condo at Trump World Tower in United Nations Plaza.

Rents at doorman buildings drop throughout Manhattan. Should we worry?

Developer Douglas Durst and former Esquire owner Christopher Whittle plan a new private school on 11th Avenue.

Former city Planning Commission chairman Joseph Rose wants to build a giant hotel across the street from Hudson River Park.

Michael Bloomberg lines up to take his swing at Willets Point. If Robert Moses couldn’t redevelop it, can the mayor?

All David Kaplan wanted to do was open an East Village bar called Death & Co. Now, it’s killing him.

New York Giants co-owner Jonathan Tisch talks about his greatest triumph: New York’s tourism revival post-September 11

In This Week's Observer…