Harry Potter
From WikiCover
Announced July 18, 2007, Scholastic learned that some individuals have received copies of Harry Potter and the Deathly Hallows through the mail, beginning on Tuesday, July 17, as a result of a breach of the on-sale agreement by the distributor, Levy Home Entertainment, and shipments made by DeepDiscount.com, a customer of that distributor. Scholastic taking immediate legal action against the distributors. The number of copies shipped is around one one-hundredth of one percent of the total U.S. copies to go on sale at 12:01 am on July 21st.
Scholastic made a direct appeal to the Harry Potter fans who receive copies early, requesting that they keep the packages hidden until midnight on proper release date.