Bone Series

How many books are there in the Charlie Bone series?

I started reading Charlie Bone a couple months ago I’m on the third book Charlie Bone and the invisible boy. I have Four books so far how many are there?????

Their are 6 with 2 more on the way:

1. Midnight for Charlie Bone (UK: 1 February 2002, US: April 1, 2002)
2. The Time Twister (1 April 2003) / Charlie Bone and the Time Twister (3 April 2003)
3. Charlie Bone and The Blue Boa (1 April 2004) / Charlie Bone and the Invisible Boy (1 July 2004)
4. The Castle of Mirrors (5 June 2005) / Charlie Bone and the Castle of Mirrors (2005)
5. Charlie Bone and the Hidden King (UK: 5 June 2006, US: 2006)
6. Charlie Bone and the Wilderness Wolf (4 June 2007) / Charlie Bone and the Beast (1 June 2007)
7. Charlie Bone and the Shadow of Badlock (1 September 2008) You can get it in waterstones earlier / Charlie Bone and the Shadow (1 September 2008)
8. Charlie Bone and the Red Knight (Release date unknown)

By the way, the series is titled Children of the Red King.

Saris Bones Series Demonstrated by Rack Outfitters