Whatever you plans or your destination it is important to know the art of rucksack packing; this will make you rucksack more comfortable to carry and will help to ensure that the items needed first are not at the bottom!! Just because you can fit everything into your rucksack does not mean that you need to actually take everything on your trip. If your idea of rucksack packing is to pack the kitchen sink, at least make sure that you do it well! Never the less, it would be a good idea to forget your kitchen sink and spend some time imagining your trip and working out exactly what you might need.
Never put anything in your rucksack until you have chosen all the items you would like to take. Lay all the desired contents of your rucksack in a clear space and review if they are necessary or if they are more of the wish list category. The art of rucksack packing includes knowing what to pack. Obviously, waterproofs spare clothing, food and snacks are fairly essential books for late night reading, you will probably never open as you will be tired from fresh air and collapse happily into bed without opening a book, a book which may have taken up valuable space and also be heavy...