It allows for printing on the spine, ideal for book titles, issue numbers, seasons, etc.
It has a very clean, professional finish due to the final trim.
Because the books are so square, they stack very well.
It allows for a wide range of page counts.
While Perfect Binding does cost more than other binding methods, it is still a fairly economical binding method for a very professional finish.
This binding method works for a wide range of applications, such as product catalogs, magazines, manuals, company profiles, or novels.