There isn't an EXACT date but it will be sometime next year.
April Fools Day 2010
it is coming out 1st April 2010, look on amizon and type in skulduggery pleasant dark days xx
It is out...
Skulduggery Pleasant is the first, Skulduggery Pleasant Playing with Fire is the second, Skulduggery Pleasant the Faceless Ones is the third, Skulduggery Pleasant Dark Days is the fourth, and Skulduggery Pleasant Mortal Coil is the fifth and newest one in the series. There is a 6th book comming out and has been rumoured to be called The Terrible Truth
2011
The fourth book in the series of Skulduggery Pleasent will be called Dark Days. It will come out on the 1st April 2010.
March 2012
Yes
No its not the fourth book has been released it is called Dark Days and it is purple:-) The fifth book is coming out in September of 2010! :*) Hope this helped!!
The first Skulduggery Pleasant book is just called 'Skulduggery Pleasant'. It was retitled "Skulduggery Pleasant: Scepter of the Ancients" for US release.
The 4th book "Skulduggery Pleasant: Dark Days" was released on April 1, 2010, followed by the 5th book, (Mortal Coil) on September 1, 2010.
Yes and it's called Dark Days. It's coming out in the UK on April 1st 2010. Hope I helped! :)