Possible Clues:

• Type of binder
• Kind of paper ... and a hint to a sequence, each starting with a different letter, found in four other puzzle answers
• Not bound to negotiate lease blockhead is holding up
• Sort of book appearing in autumn
• Not bound in
• Type of book sold that may fall off this time of year?
• Such pages have no security of tenure
• See all of changes involving old type of album?
• See all of changes involving old type of book
• Kind of book describing deciduous tree in autumn?