He wrote the book in only 100 hours over 30 days.

I was always impressed with his ability to write a great article in 1.5 hours.

According to Slash, the song was written in approximately three hours.

The original story was written in four hours, but after years of planning.

Collins said that he and Taylor-Good wrote the song in three hours.

William Saroyan could write a play in a day and a short story in two hours.

Her first full length novel was written in 24 hours in 1990.

"The last 44 pages of 'Home Alone' were written in eight hours," he says.

The resulting publicity ensured the success of the play (which he wrote in 48 hours).

"I wrote 47 pages in 24 hours, three different endings."