Two of a Kind #01: It's a Twin Thing - Couverture souple

Mary-Kate & Ashley books launched in 1990, and today the various book series continue to grow to reflect the ever-evolving lifestyles of kids, 'tweens, and teens. HarperEntertainment and Parachute Publishing release twenty-five books a year and have sold more than 30 million copies. Mary-Kate and Ashley's two book series Two of a Kind and The New Adventures of Mary Kate and Ashley are frequent USA Today bestsellers. And Mary-Kate & Ashleynovelties, such as Wall Calendars, a Mood Diary, a Be My Valentinecard-making kit, and the movie tie-in series, Starring-In continue to be hugely popular.

The growth of the Mary-Kate & Ashley brand has afforded Parachute and Harper the opportunity to work with companies such as Acclaim Entertainment, Mattel Inc., Warner Home Video, Kid Rhino, Lightyear Entertainment, Sail with the Stars on cross-promotional and cross-merchandise projects, including a very special, book-dedicated area on mary-kateandashley.com -- Now Read This!

Ashley can't wait to go back to school. The new school year means shopping for new clothes, meeting boys...shopping for more new clothes! Her twin sister, Mary-Kate, thinks she's crazy. Mary-Kate would much rather hit a softball than hit the mega-mall. But they do agree on one thing:

They're way too old for a baby-sitter!

Too bad their dad doesn't see it the same way. Now the twins need a plan--a plan to show Dad just how right they are!

Look inside for our photo scrapbook from the show!