Paperback or Hardcover?
Usually cheaper than hardcover edition. Convenient to carry around. Lighter to lift in the case of thousand page tomes.
The negatives –
Tend to get dog-eared.
Doesn’t come back when lent since everyone assumes it’s just a cheap copy.
More Expensive. Can be a weight-lifting exercise on occasion. Take up a lot of space on the shelf.
The positives –
Better display value.
Comes in handy as a blunt weapon when required (Overstaying guests, Intruders, In general irritating specimen).
Smell good – good as in that woodsy, dry, warm smell you get from the binding.
Useful as a weight to smooth out wrinkled objects.