I picked up the Urban Decay Book of Shadows 4 for only £29.99 and there are plenty of sites who are currently selling it off at a similar price. For that price for 16 Urban Decay shadows, a full size 24/7 liquid eyeliner and travel sized primer potion and mascara it's an absolute bargain.

The eyeshadows in the set are:

Blue Bus - a metallic blue
Gunmetal - dark grey/silver
Cobra - Dark brown
Baked - bronze
Bender - Green
Gravity - Metallic purple
Lost - metallic mid brown
Hijack - metallic dark turquoise
Midnight Cowgirl - glittery metallic neutral
Sin - another glittery metallic neutral
Midnight Rodeo - Glittery mid brown
Crystal - light grey
Bust - matte grey
Missionary - matte beige
Skimp - matte cream
Zephyr - matte off white

The variety of colours is good with a mixture of neutrals, dark smoky greys / browns and a couple of fun colours. The liquid eyeliner is black as is the mascara and the primer potion is the original version rather than a coloured version.

The packaging is a little excessive and, like many of Urban Decay's sets, it is card board so not very hard wearing. The packaging includes a mirror and stand for your Iphone as well as a speaker (pointless) and a card with QR codes for tutorials on how to apply the make up. I haven't got an iphone so I haven't been able to access these tutorials but it's a nice idea.