How to make a monster viewing house

place a strip of 6 blocks

add two

repeat,

until it looks like this

fill it all in except for a 9-block square

put glowstone in the middle

replace the dirt

build up your walls 2-4 blocks high

fill in the roof

add a door

make a pillar

add ladders

build up your walls but leave a place for a door

make this

then this

make sure its the same on each side this is the shooting range

make this on the end

build up the walls 10 blocks

add a door

make a staircase

fill in the top

add a rail (fence)

your done!