All steps in main success scenario for use case: 1b. iOS Patron browses audio books in SimplyE

Acceptance Criteria:

• When a patron views the main catalog page
• They will see an option to select for 'books' or 'audiobooks', with look and feel shown in wiki page
• and 'books' will be selected by default
• When they tap 'audiobooks'
  • the client parses out the entry points and determines which one is selected
  • audiobooks displays in selected state