Honolulu Comic Con 30-31 July
Boston Comic Con 12-14 August
Wizard World Chicago 20-21 Aug
Heroes and Villains FanFest
San Jose CA, 27-28 August
Toronto ON, 3-4 September
FanFest Orlando 17 September
Cincinnati ComicExpo 24-25 September
The new novel about twins Matt and Em Calder by John and his sister Carole E Barrowman was published in the UK on 5 May and is now available from all good bookstores.
Arrow: The Dark Archer - a new DC Comic series by John and Carole E Barrowman - out now!
Torchwood - a new Titan Comics series by John and Carole E Barrowman - out 3 August