Frontman admits he has not got time to think about a film
Pre-sales allow tickets to be purchased before going on general sale
The Libertines pulled out of two gigs last week following medical emergency
Doherty, Barât and co won't be offering up the traditional Live Lounge cover song
Band cancelled their London show on Thursday night after failing to show up
Fans told London gig postponed two hours after the band were due on stage
London-based book seller Peter Harrington has Doherty's notes dating back to 2003
Long-awaited third album is out on Friday (September 11)