Anticipation is high for information on Wizards of the Coast next Dungeons & Dragons edition, while WotC has been tightlipped with specific details.  Now it appears online book retailer Barnes & Noble has accidently leaked the first two releases and their summer street dates, which we believe to be correct.
First posted on Sunday, the B& active pages have been removed, but are available as Google cached pages.  According to the now removed B&N pages, the Dungeons & Dragons Starter Set will release on July 15th with an MSRP of $19.99, and the hardcover Dungeons & Dragons Player’s Handbook will release August 19th (right after Gen Con), with an MSRP of $49.95.
These release dates appear to be in line with WotC’s announced “summer” release (see "'D&D Next' Launch Date Set"), and WizKids planned release of the first set of D&D Miniatures (see "WizKids Creating 'D&D' Miniatures").