During Apple’s education event today, the company announced a new Textbook section coming to the U.S. iBookstore to showcase a new collection of interactive textbooks that will be supported by iBooks 2. In addition, Apple has partnered with three leading textbook companies that are collectively responsible for publishing 90% of textbooks including McGraw Hill, Houghton Mifflin Harcourt and Pearson. Apple has also published a new, free iBooks…