They just sort of backed up all at once.  Some are conference or school only; the ones open to the public are marked:

Saturday, 4 April 2009, 9.45-10.30am, The Federation of Children's Book Groups Conference

Monday, 20 April 2009, 9.30-10.30am, London Book Fair Seminar, with my lovely editor Denise Johnstone-Burt, talking about the editing process.

Wednesday, 22 April 2009, talking to a book group at Lister Community School in Newham who've been kind enough to read The Knife of Never Letting Go.

Sunday, 10 May 2009, 10.00am, Brighton Festival, definitely open to the public, so book now!

14-17 May 2009, Several events in Dublin, including speaking at the Children's Books Ireland Conference, more details of the whole trip soon

19-20 May 2009, trip to Edinburgh, more details soon again.

Wednesday, 27 May 2009, 2.30, Hay Festival, the schedule isn't final yet, it looks like there'll be this solo event and possibly another at 5.30 with other authors; final schedule and public booking tickets start on 10 April.

That's enough for now, but looking ahead, I've got bookings for other festivals later in the year that aren't announceable yet, so keep checking!