Spiral bound books are identical in content to our perfect bound books. The only difference is the method of binding.
 
  
Identical in content to perfect bound version.
  
Spiral binding allows open book to lay completely flat.
  
A spiral bound book can fold all the way back upon itself and yet still remain flat, so takes up less space on a desk or table.
  
Spiral books are slightly wider due to the size of the coil.