Bolivia is cold in many places. If you want to carry it around, get one of the very small ones. Takes in little space and means you don't have to carry so much warm clothes. This is a Top Tip. Some long, lightweight English novels.
English books are very hard to find in Bolivia, and very expensive.
The way to go is take 2, read them and start swapping. Compeed anti blister stickers. Finally, do check out the faq . There is an extensive list of stuff people can't travel without. Peter Van Dijck.