The D1 Archer Planner: Detailed and Different, 3-Pack Tracks more daily dimensions than any other planner. Designed to calm your over-active brain and promote productivity and insight through organization. Neatly organized modules for appointments, to-dos, notes, weather, meals and other daily activities. 3-pack! Using a book a month, this is a 3-month supply. Slim, portable, lightweight form factor, with snag-free, bag-friendly, no-coil lay-flat binding.