Complex sentence: Wild debuted at number 7 on the "New York Times" Best Seller list in hardcover non-fiction and from July 15,2012, it was at number 1, a spot it held for seven consecutive weeks.
Split into simpler sentences: Wild debuted at number 7 on the "New York Times" Best Seller list in hardcover non-fiction. On July 15,2012, Wild reached number 1 on the "New York Times" Best Seller list, a spot it held for seven consecutive weeks.