The tour will launch on June 1, 2007 from New York City and will travel to 37 libraries across the country, ending back in New York at Scholastic headquarters to kick off the release of the seventh book at 12:01 a.m. on July 21, 2007.

The list of cities include libraries in Providence & Boston, MA; Queens, Brooklyn and the Bronx, NY; Newark, NJ; Philadeplia, PA; Cleveland, OH: Chicago, IL; St. Louis, MO; San Diego, Los Angeles, San Francisco in CA.

See all the dates HERE.
See the Press Release HERE.
Thanks HPANA!

Also: someting is going on with comments, some of them disappeared. I dont know what is wrong but hopefully I will fix it.